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2021学年Unit 5 A delicate world精品精练
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这是一份2021学年Unit 5 A delicate world精品精练，文件包含Unit5AdelicateworldPeriod1Startingoutandunderstandingideas练习原卷版docx、Unit5AdelicateworldPeriod1Startingoutandunderstandingideas练习解析版docx等2份试卷配套教学资源，其中试卷共13页， 欢迎下载使用。
（练习解析版）
I：单词拼写
It calls fr ur ___________(干预) in turist behavir that destrys public facilities.
【答案】interventin
Envirnmental scientists need GIS sftware t mdel ___________(侵蚀) in castal areas and muntain valleys.
【答案】ersin
This___________(事件) which happened in the grup reflected badly n everyne invlved.
【答案】incident
This___________(病毒) infected thusands f cmputers acrss the U.S. and Eurpe within days.
【答案】virus
A cmputer screen shws arrival and ___________(离开) times.
【答案】departure
His wrk has led thers t prtect the ___________(栖息地) f this endangered species.
【答案】habitat
Sme turists carved their names n the stnes f the Great Wall, which was a great damage t the
cultural ___________(遗产).
【答案】heritage
It snwed s heavily that the rf f the huse ___________(倒塌) under the weight f snw.
【答案】cllapsed
Cigarette smking is publicly cnsidered t ___________(成倍增加) the risk f cancer.
【答案】multiply
Energy___________(保护) is f vital imprtance t us because ur sciety is facing energy shrtage.
【答案】cnservatin
II：单句语法填空
______________ (subsequent), new guidelines were issued t all emplyees.
【答案】Subsequently
At wrk, he wh tk risks and culd nt lse was regarded ______ a miracle wrker.
【答案】as
It's estimated that birth rate has drpped ___________ (dramatic) ver the past decade.
【答案】dramatically
【解析】副词用来修饰动词drp.
As a musician, I we much _______ the radi statin in my hme twn.
【答案】t
【解析】we sth t sb：欠某人某物，把...归功于...
He spent a lt f mney in satisfying the appetite _______ excitement and amusement.
【答案】fr
The green grass and bare rck f its landscape cntrast clearly, _______ (give) it a wild and natural beauty.
【答案】giving
【解析】现在分词作结果状语，所给动词give与前面句子表示的情况构成主动关系。
They wuld fail ________ (imagine) hw its native inhabitants, including penguins and elephant seals.
【答案】t imagine
【解析】fail t d sth：没有做到某事，未能做到某事。
The end result was ____ parakeets nce large in number and native t the island, died ut in the 1880s.
【答案】that
【解析】that引导表语从句
Experts felt it necessary t cme up with a plan _________ (remve) all rabbits frm the island.
【答案】t remve
【解析】不定式短语作名词plan的后置定语。
________ the saying ges, “while the cat’s away, the mice will play.”
【答案】As
【解析】As the saying ges：正如俗话所说，该句是由as所引导的非限定性从句。
III. 选词组并用其适当的形式填空。
Settling the brder issue _______________, he says, is crucial fr the peple f the tw cuntries.
【答案】nce and fr all
【解析】nce and fr all：一劳永逸地；彻底地；最后一次
When stress gets ______________, it can lead t pr perfrmance and ill health.
【答案】ut f cntrl
If smene's life is in truble, d yu just hpe that things will ______________ fine?
【答案】turn ut
【解析】turn ut：结果为；句意：如果某人的生活陷入困境，你只是希望事情结果会变好吗?
All thse wh are immediately invlved will ________________ the decisin.
【答案】be infrmed f
【解析】be infrmed f：被告知
She was ver the age limit and, _______________, her applicatin was rejected.
【答案】in cnsequence
【解析】in cnsequence：因此
Opprtunities can ____________________ children t cntribute in riginal and creative ways.
【答案】be prvided fr
A sectin f the reading public can ________________ interesting stries abut the famus wrks.
【答案】develp an appetite fr
【解析】产生对...的欲望，兴趣
As sn as the cake is dne, ___________ it _______ the ven.
【答案】remve ... frm
【解析】remve ... frm 从...移除，搬走
The wrld may appear t be __________ but yu will be in peace.
【答案】in chas
【解析】in chas：混乱，纷乱
With better educatin, peple will be able t build a better sciety _____________ nature.
【答案】in harmny with
【解析】in harmny with：与...协调，与...一致
IV. 七选五：从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
The white swan(天鹅) is amng the mst beautiful f birds. 1. . It flats quietly n the water, unable t sing sweet sngs like mst ther birds.
In ancient times, hwever, peple believed that the swan was given a special gift f sng at the end f its life.
2. .
The stry f the swan's last sng fund a place in the wrks f ther writers, including the early English writers Chaucer and Shakespeare.
3. . At first, swan sng meant the last wrk f a pet, musician r writer. Nw, it means the final effrt f any persn. Smene's swan sng usually is als cnsidered that persn's finest wrk.
4. . The expressin may be used t describe a plitician's last campaign, his final attempt t win the cheers and vtes f the peple. The last hurrah als can mean the last acts f a plitician, befre his term in ffice ends.
Writer Edwin O'Cnnr made the expressin ppular in 1956. He wrte a bk abut the final years in the plitical life f a lng-time mayr f Bstn, Massachusetts. 5. .
Sme language experts say the expressin came frm a name given t nisy supprters f Andrew Jacksn—America's seventh president. They cheered hurrah s ludly fr Andy Jacksn during his presidential campaign that they became knwn as the hurrah bys.
A．It is mstly silent thrugh its life.
B．He called his bk "The Last Hurrah".
C．It is ften a symbl f lve in many writers' wrks.
D．A plitical expressin with a similar meaning is the last hurrah.
E.They believed a swan sings a mst beautiful sng just befre it dies.
F.They believed the stry f the swan's last sng was lst t the wrld.
G.The expressin swan sng has lng been a part f the English language.
【答案】1．A 2．E 3．G 4．D 5．B
【解析】本文由swan开篇，进而引申出swan sng 的典故，其涉及到文学，政治领域，其表面意思是天鹅临死时的叫声，后引申为一个人最后的作品，即绝笔。
1．根据后文关键词quietly，unable t sing可知白天鹅大多数时候很安静，故选A.
2．承接上文 swan was given a special gift f sng at the end f its life. 天鹅在生命结束时会唱首歌，正好对应E.
3．根据上文The stry f the swan's last sng fund a place in the wrks f ther writers, including the early English writers Chaucer and Shakespeare. 可知swan sng 发现于其他作家的作品中，包括乔叟和莎士比亚，这与英语语言有关，故选G.
4．根据后文The last hurrah als can mean the last acts f a plitician, befre his term in ffice ends.中 关键字hurrah提示，意为最后的欢呼声，故选D.
5． 上文He wrte a bk abut the final years in the plitical life f a lng-time mayr f Bstn 说明他写了一本关于波士顿市长最后几年政治生活的书，下文紧接应该写对这本书的评价，故选B.
V: 阅读理解。阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选。
As data and identity theft becmes mre and mre cmmn, the market is grwing fr bimetric （生物测量）technlgies — like fingerprint scans — t keep thers ut f private e-spaces. At present, these technlgies are still expensive, thugh.
Researchers frm Gergia Tech say that they have cme up with a lw-cst device（装置） that gets arund this prblem: a smart keybard. This smart keybard precisely measures the cadence （节奏）with which ne types and the pressure fingers apply t each key. The keybard culd ffer a strng layer f security by analyzing things like the frce f a user’s typing and the time between key presses. These patterns are unique t each persn. Thus, the keybard can determine peple’s identities, and by extensin, whether they shuld be given access t the cmputer it’s cnnected t — regardless f whether smene gets the passwrd right.
It als desn’t require a new type f technlgy that peple aren’t already familiar with. Everybdy uses a keybard and everybdy types differently.
In a study describing the technlgy, the researchers had 100 vlunteers type the wrd “tuch” fur times using the smart keybard. Data cllected frm the device culd be used t recgnize different participants based n hw they typed, with very lw errr rates. The researchers say that the keybard shuld be pretty straightfrward t cmmercialize and is mstly made f inexpensive, plastic-like parts. The team hpes t make it t market in the near future.
1. Why d the researchers develp the smart keybard?
A. T reduce pressure n keys. B. T imprve accuracy in typing.
C. T replace the passwrd system. D. T cut the cst f e-space prtectin.
2. What makes the inventin f the smart keybard pssible?
A. Cmputers are much easier t perate.
B. Fingerprint scanning techniques develp fast.
C. Typing patterns vary frm persn t persn.
D. Data security measures are guaranteed.
3. What d the researchers expect f the smart keybard?
A. It’ll be envirnment-friendly. B. It’ll reach cnsumers sn.
C. It’ll be made f plastics. D. It’ll help speed up typing.
4. Where is this text mst likely frm?
A. A diary. B. A guidebk. C. A nvel. D. A magazine.
【语篇解读】本文是说明文。数据和身份盗窃变得越来越普遍，目前，像指纹扫描等这些技术仍然是昂贵的。本文介绍了一种新的科技——智能键盘，它能给e-space用户带来安全，而且这项技术也不贵。
【答案解析】1--4 DCBD
1. D 细节理解题。根据第一段的At present, these technlgies are still expensive, thugh.和第二段的Researchers frm Gergia Tech say that they have cme up with a lw-cst device that gets arund this prblem: a smart key bard.可知，研究者们开发智能键盘是为了降低e-space保护的成本。故选D。
2. C 细节理解题。根据第二段的The keybard culd ffer a strng layer f security by analyzing things like the frce f a user’s typing and the time between key presses. These patterns are unique t each persn. Thus, the keybard can determine peple’s identities.可知，因为每个人的打字方式不同，使智能键盘能够识别人的身份。故选C。
3. B 细节理解题。根据最后一段的The team hpes t make it t market in the near future.可知，研究者们希望智能键盘能早日面世。故选B。
4. D 推理判断题。本文介绍了一种新的科技——智能键盘，它能给e-space用户带来安全，由此可知，本文是关于科技的，结合所给选项可知，本文可能来自于一本杂志。故选D。
VI. 语篇填空
In the 1970s, after Macquarie Island became an fficial nature reserve, the rabbits remained ut f cntrl. S a plan t remve all rabbits was carried ut. A virus ____1_____ (release) nt the island, which caused the rabbit ppulatin t decrease _____2_____ (dramatic).
____3____ the saying ges, “While the cat’s away, the mice will play.” With the departure f the cats frm Macquarie Island, the muse and rat ppulatin started t increase. And remember thse 10,000 r s rabbits? It turned ut ____4____ they develped an immunity t the virus, and their number explded nce again. Then, in 2006, the rabbits’ ____5____ (dig) caused sme land t cllapse, and killed a substantial number f ____6____ (penguin). This incident made it clear that the rat, muse and rabbit prblem needed slving nce and fr all.
I am here n the island t participate ____7____ the prgramme t tackle this very prblem. The first step invlved pisn being drpped frm helicpters. The next step is t remve the last ____8____(remain) invading species, and that’s where I cme in- with my dgs. They have been trained t find every last ne, withut harming the native animals. This interventin is ___9____ lng, much-delayed ending t a sad stry, but we humans we it t the island t give____10____ a happy ending.
【答案】 语篇源自教材，回归教材，强化知识巩固，突出能力应用。
turn ut in harmny with nce and fr all infrm... f...
in chas ut f cntrl prvide... fr... in cnsequence develp an appetite fr...
1 was released
2 dramatically
3 As
4 that
5 digging
6 penguins
7 in
8 remaining
9 a
10 it
（练习解析版）
I：单词拼写
It calls fr ur ___________(干预) in turist behavir that destrys public facilities.
【答案】interventin
Envirnmental scientists need GIS sftware t mdel ___________(侵蚀) in castal areas and muntain valleys.
【答案】ersin
This___________(事件) which happened in the grup reflected badly n everyne invlved.
【答案】incident
This___________(病毒) infected thusands f cmputers acrss the U.S. and Eurpe within days.
【答案】virus
A cmputer screen shws arrival and ___________(离开) times.
【答案】departure
His wrk has led thers t prtect the ___________(栖息地) f this endangered species.
【答案】habitat
Sme turists carved their names n the stnes f the Great Wall, which was a great damage t the
cultural ___________(遗产).
【答案】heritage
It snwed s heavily that the rf f the huse ___________(倒塌) under the weight f snw.
【答案】cllapsed
Cigarette smking is publicly cnsidered t ___________(成倍增加) the risk f cancer.
【答案】multiply
Energy___________(保护) is f vital imprtance t us because ur sciety is facing energy shrtage.
【答案】cnservatin
II：单句语法填空
______________ (subsequent), new guidelines were issued t all emplyees.
【答案】Subsequently
At wrk, he wh tk risks and culd nt lse was regarded ______ a miracle wrker.
【答案】as
It's estimated that birth rate has drpped ___________ (dramatic) ver the past decade.
【答案】dramatically
【解析】副词用来修饰动词drp.
As a musician, I we much _______ the radi statin in my hme twn.
【答案】t
【解析】we sth t sb：欠某人某物，把...归功于...
He spent a lt f mney in satisfying the appetite _______ excitement and amusement.
【答案】fr
The green grass and bare rck f its landscape cntrast clearly, _______ (give) it a wild and natural beauty.
【答案】giving
【解析】现在分词作结果状语，所给动词give与前面句子表示的情况构成主动关系。
They wuld fail ________ (imagine) hw its native inhabitants, including penguins and elephant seals.
【答案】t imagine
【解析】fail t d sth：没有做到某事，未能做到某事。
The end result was ____ parakeets nce large in number and native t the island, died ut in the 1880s.
【答案】that
【解析】that引导表语从句
Experts felt it necessary t cme up with a plan _________ (remve) all rabbits frm the island.
【答案】t remve
【解析】不定式短语作名词plan的后置定语。
________ the saying ges, “while the cat’s away, the mice will play.”
【答案】As
【解析】As the saying ges：正如俗话所说，该句是由as所引导的非限定性从句。
III. 选词组并用其适当的形式填空。
Settling the brder issue _______________, he says, is crucial fr the peple f the tw cuntries.
【答案】nce and fr all
【解析】nce and fr all：一劳永逸地；彻底地；最后一次
When stress gets ______________, it can lead t pr perfrmance and ill health.
【答案】ut f cntrl
If smene's life is in truble, d yu just hpe that things will ______________ fine?
【答案】turn ut
【解析】turn ut：结果为；句意：如果某人的生活陷入困境，你只是希望事情结果会变好吗?
All thse wh are immediately invlved will ________________ the decisin.
【答案】be infrmed f
【解析】be infrmed f：被告知
She was ver the age limit and, _______________, her applicatin was rejected.
【答案】in cnsequence
【解析】in cnsequence：因此
Opprtunities can ____________________ children t cntribute in riginal and creative ways.
【答案】be prvided fr
A sectin f the reading public can ________________ interesting stries abut the famus wrks.
【答案】develp an appetite fr
【解析】产生对...的欲望，兴趣
As sn as the cake is dne, ___________ it _______ the ven.
【答案】remve ... frm
【解析】remve ... frm 从...移除，搬走
The wrld may appear t be __________ but yu will be in peace.
【答案】in chas
【解析】in chas：混乱，纷乱
With better educatin, peple will be able t build a better sciety _____________ nature.
【答案】in harmny with
【解析】in harmny with：与...协调，与...一致
IV. 七选五：从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
The white swan(天鹅) is amng the mst beautiful f birds. 1. . It flats quietly n the water, unable t sing sweet sngs like mst ther birds.
In ancient times, hwever, peple believed that the swan was given a special gift f sng at the end f its life.
2. .
The stry f the swan's last sng fund a place in the wrks f ther writers, including the early English writers Chaucer and Shakespeare.
3. . At first, swan sng meant the last wrk f a pet, musician r writer. Nw, it means the final effrt f any persn. Smene's swan sng usually is als cnsidered that persn's finest wrk.
4. . The expressin may be used t describe a plitician's last campaign, his final attempt t win the cheers and vtes f the peple. The last hurrah als can mean the last acts f a plitician, befre his term in ffice ends.
Writer Edwin O'Cnnr made the expressin ppular in 1956. He wrte a bk abut the final years in the plitical life f a lng-time mayr f Bstn, Massachusetts. 5. .
Sme language experts say the expressin came frm a name given t nisy supprters f Andrew Jacksn—America's seventh president. They cheered hurrah s ludly fr Andy Jacksn during his presidential campaign that they became knwn as the hurrah bys.
A．It is mstly silent thrugh its life.
B．He called his bk "The Last Hurrah".
C．It is ften a symbl f lve in many writers' wrks.
D．A plitical expressin with a similar meaning is the last hurrah.
E.They believed a swan sings a mst beautiful sng just befre it dies.
F.They believed the stry f the swan's last sng was lst t the wrld.
G.The expressin swan sng has lng been a part f the English language.
【答案】1．A 2．E 3．G 4．D 5．B
【解析】本文由swan开篇，进而引申出swan sng 的典故，其涉及到文学，政治领域，其表面意思是天鹅临死时的叫声，后引申为一个人最后的作品，即绝笔。
1．根据后文关键词quietly，unable t sing可知白天鹅大多数时候很安静，故选A.
2．承接上文 swan was given a special gift f sng at the end f its life. 天鹅在生命结束时会唱首歌，正好对应E.
3．根据上文The stry f the swan's last sng fund a place in the wrks f ther writers, including the early English writers Chaucer and Shakespeare. 可知swan sng 发现于其他作家的作品中，包括乔叟和莎士比亚，这与英语语言有关，故选G.
4．根据后文The last hurrah als can mean the last acts f a plitician, befre his term in ffice ends.中 关键字hurrah提示，意为最后的欢呼声，故选D.
5． 上文He wrte a bk abut the final years in the plitical life f a lng-time mayr f Bstn 说明他写了一本关于波士顿市长最后几年政治生活的书，下文紧接应该写对这本书的评价，故选B.
V: 阅读理解。阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选。
As data and identity theft becmes mre and mre cmmn, the market is grwing fr bimetric （生物测量）technlgies — like fingerprint scans — t keep thers ut f private e-spaces. At present, these technlgies are still expensive, thugh.
Researchers frm Gergia Tech say that they have cme up with a lw-cst device（装置） that gets arund this prblem: a smart keybard. This smart keybard precisely measures the cadence （节奏）with which ne types and the pressure fingers apply t each key. The keybard culd ffer a strng layer f security by analyzing things like the frce f a user’s typing and the time between key presses. These patterns are unique t each persn. Thus, the keybard can determine peple’s identities, and by extensin, whether they shuld be given access t the cmputer it’s cnnected t — regardless f whether smene gets the passwrd right.
It als desn’t require a new type f technlgy that peple aren’t already familiar with. Everybdy uses a keybard and everybdy types differently.
In a study describing the technlgy, the researchers had 100 vlunteers type the wrd “tuch” fur times using the smart keybard. Data cllected frm the device culd be used t recgnize different participants based n hw they typed, with very lw errr rates. The researchers say that the keybard shuld be pretty straightfrward t cmmercialize and is mstly made f inexpensive, plastic-like parts. The team hpes t make it t market in the near future.
1. Why d the researchers develp the smart keybard?
A. T reduce pressure n keys. B. T imprve accuracy in typing.
C. T replace the passwrd system. D. T cut the cst f e-space prtectin.
2. What makes the inventin f the smart keybard pssible?
A. Cmputers are much easier t perate.
B. Fingerprint scanning techniques develp fast.
C. Typing patterns vary frm persn t persn.
D. Data security measures are guaranteed.
3. What d the researchers expect f the smart keybard?
A. It’ll be envirnment-friendly. B. It’ll reach cnsumers sn.
C. It’ll be made f plastics. D. It’ll help speed up typing.
4. Where is this text mst likely frm?
A. A diary. B. A guidebk. C. A nvel. D. A magazine.
【语篇解读】本文是说明文。数据和身份盗窃变得越来越普遍，目前，像指纹扫描等这些技术仍然是昂贵的。本文介绍了一种新的科技——智能键盘，它能给e-space用户带来安全，而且这项技术也不贵。
【答案解析】1--4 DCBD
1. D 细节理解题。根据第一段的At present, these technlgies are still expensive, thugh.和第二段的Researchers frm Gergia Tech say that they have cme up with a lw-cst device that gets arund this prblem: a smart key bard.可知，研究者们开发智能键盘是为了降低e-space保护的成本。故选D。
2. C 细节理解题。根据第二段的The keybard culd ffer a strng layer f security by analyzing things like the frce f a user’s typing and the time between key presses. These patterns are unique t each persn. Thus, the keybard can determine peple’s identities.可知，因为每个人的打字方式不同，使智能键盘能够识别人的身份。故选C。
3. B 细节理解题。根据最后一段的The team hpes t make it t market in the near future.可知，研究者们希望智能键盘能早日面世。故选B。
4. D 推理判断题。本文介绍了一种新的科技——智能键盘，它能给e-space用户带来安全，由此可知，本文是关于科技的，结合所给选项可知，本文可能来自于一本杂志。故选D。
VI. 语篇填空
In the 1970s, after Macquarie Island became an fficial nature reserve, the rabbits remained ut f cntrl. S a plan t remve all rabbits was carried ut. A virus ____1_____ (release) nt the island, which caused the rabbit ppulatin t decrease _____2_____ (dramatic).
____3____ the saying ges, “While the cat’s away, the mice will play.” With the departure f the cats frm Macquarie Island, the muse and rat ppulatin started t increase. And remember thse 10,000 r s rabbits? It turned ut ____4____ they develped an immunity t the virus, and their number explded nce again. Then, in 2006, the rabbits’ ____5____ (dig) caused sme land t cllapse, and killed a substantial number f ____6____ (penguin). This incident made it clear that the rat, muse and rabbit prblem needed slving nce and fr all.
I am here n the island t participate ____7____ the prgramme t tackle this very prblem. The first step invlved pisn being drpped frm helicpters. The next step is t remve the last ____8____(remain) invading species, and that’s where I cme in- with my dgs. They have been trained t find every last ne, withut harming the native animals. This interventin is ___9____ lng, much-delayed ending t a sad stry, but we humans we it t the island t give____10____ a happy ending.
【答案】 语篇源自教材，回归教材，强化知识巩固，突出能力应用。
turn ut in harmny with nce and fr all infrm... f...
in chas ut f cntrl prvide... fr... in cnsequence develp an appetite fr...
1 was released
2 dramatically
3 As
4 that
5 digging
6 penguins
7 in
8 remaining
9 a
10 it
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