冀教版（2024）七年级下册（2024）Lesson 1 Why are plants important?授课课件ppt

这是一份冀教版（2024）七年级下册（2024）Lesson 1 Why are plants important?授课课件ppt，共42页。PPT课件主要包含了Warming up，Summary，Practice等内容，欢迎下载使用。
Plants clean the air.
Plants als play a part in the water cycle.
D yu knw the functin f plants?
1 Talk with yur partner abut plants.
A D yu think plants are imprtant? Yes. They are imprtant fr us and animals.B What can plants d t help nature? Give sme examples. Plants can clean the air and prduce xygen fr us.
你知道植物的重要性吗？
2 Listen t the cnversatin and tick the main idea.
Li Ming: I lve the frest. There are s many trees here. The air is fresh. Wang Mei: Trees and ther plants are imprtant fr us. Li Ming: Yes, yu are right. Plants clean the air. They give us fd like fruits and vegetables. Sme medicine and clthing are als made frm plants.Wang Mei: The frest is imprtant fr animals, t. Many animals live in the frest and eat leaves and fruits frm the trees. Li Ming: Plants als play a part in the water cycle. And they cver the sil. That way, the wind and water dn’t carry the sil away. Plants make the wrld lk beautiful.Wang Mei: Indeed, we can’t live withut plants!
Language Pints
be made frm 由……制成
Sme medicine and clthing are als made frm plants.一些药物和衣服也是由植物制成的。
【辨析】be made f, be made frm, be made in与 be made by
leaf [可数名词] 叶子 （复数：leaves）These sheep are eating leaves. 这些羊正在吃树叶。
Many animals live in the frest and eat leaves and fruits frm the trees. 许多动物生活在森林里，吃树的叶子和果实。
拓展：以f，fe结尾的名词变复数时，常将f或fe变为ves。wife→wives、thief→thieves、shelf→shelves、knife→kniveswlf→wlves、half→halves、leaf→leaves、life→lives
play a part in 在······中扮演角色play a part in后接名词、代词或动词-ing形式。其中part作名词，意为“角色”，相当于rle。He plays an imprtant part in the new mvie. 他在这部新电影中扮演一个重要的角色。
Plants als play a part in the water cycle.植物也在水循环中发挥作用。
【拓展】 play a part in 还有以下两种意思：（1）发挥作用 Everyne can play an imprtant part in sciety. 每个人都可以在社会中起重要作用。（2）参加，参与 Everyne shuld play a part in the “ Clean Plate Campaign” and say n t fd waste. 每个人都应该参与“光盘行动”, 对食物浪费说不。
相当于play an imprtant rle in
相当于 take part in
carry /ˈkæri/ v. 携带；拿；运送
That way, the wind and water dn’t carry the sil away.这样，风和水就不会把土壤带走。
【辨析】carry, take, bring与get
I knw sme cartnists always carry pen and paper. 我知道有些漫画家总是带着笔和纸。Mark ften takes his bks t Beth’s huse t study. 马克常常带着书去贝丝家学习。Dn’t frget t bring it here. 不要忘记把它带到这儿来。Can yu g and get sme water fr us? 你能去给我们打点儿水吗?
make sb./sth. d sth. 使某人/某物做某事make为使役动词，意为“让，使”，后接不带t的动词不定式作宾语补足语。The by makes his mther smile. 这个男孩让他的妈妈笑了。
Plants make the wrld lk beautiful. 植物使世界看起来美丽。
拓展：“make sb./sth. +形容词”意为“使某人/某物……”。Reading bks makes us clever. 读书使我们聪明。
can’t d sth. withut... 没有······无法做某事这是一个双重否定结构，表示肯定含义。其中withut作介词，后接名词、代词或动词-ing形式。其反义词为 with“具有”。Dn’t pllute the rivers because we can’t live withut water. 不要污染河流，因为没有水我们无法生存。Yu can’t grw tmates withut sunlight. 没有阳光，你就无法种植西红柿。
Indeed, we can’t live withut plants ! 的确，我们的生活不能没有植物！
3 Listen t the cnversatin again and tick what is mentined.
4 Wrk in grups. Talk abut why we need plants and cmplete the mind map. Yu can use sme f the ideas in Activity 3.
They clean the air.
They are imprtant fr animals. Animals eat leaves and fruits frm them.
They give fd t humans. Sme medicine and clthing are als made frm them.
They play a part in the water cycle. They help keep the sil and make the wrld beautiful.
Prnunciatin
语调 说话或朗读时声音的抑扬称为语调。英语句子的语调通常分为升调和降调两种,升调或降调都从句子中最后一个重读音节开始。一般遵循以下规则:1.一般疑问句用升调。D yu think plants are imprtant?你认为植物重要吗?Are yu a student?你是学生吗?2.省略句表示疑问用升调。See this puppy?看到这只小狗了吗?Carrt and egg dumplings?胡萝卜鸡蛋饺子吗?
4.特殊疑问句、感叹句通常用降调。What plants grw near yur hme? 你家附近生长着什么植物?Hw clever the mnkey is! 这只猴子多么聪明啊!5.祈使句表示命令用降调,表示请求用升调。Dn’t hurt the animals.不要伤害动物。Sit dwn， please.请坐。
6.选择疑问句中, r 前面的用升调,后面的用降调。Why r why nt? 为什么或为什么不?7.列举事物时, and 前面的用升调,后面的用降调。I need t buy milk, fiuits, vegetables and meat.我需要牛奶、水果、蔬菜和肉。注意:（1）话还没有说完，先升后降:I like this skirt, but it is t expensive.我喜欢这条裙子，但是它太贵了。（2）陈述句用疑问语气说，表示一种怀疑的态度，要用升调：It’s Friday? 今天周五？
cycle n. 循环；自行车siln. 土壤；土地carryv. 携带；拿；运送
重 点 短 语 和 句 型
be made frm由……制成play a part in在……中扮演角色带走
一、根据句意及汉语提示填写单词
1. It’s a ________（快乐） t play tennis with yu.2. Did yu take yur _________（药品）?3. _______（覆盖） the bttle with a piece f paper.4. It is very interesting t watch the life ______（循环） f an animal.5. _______（的确）,health is imprtant fr all f us.
二、用方框中所给单词的适当形式填空
6. He _____________ the heavy bx t the classrm.7. Bamb can be _____ t build huses.8. Plants ________ fd fr many animals.9. Giraffes like t eat _______.10. If the _____ is rich enugh,plants can grw very well.
carries/carried
三、根据句意填空，使句子通顺、意思完整。每空限填一词
11.Thanks t the plants, the air here is always clean _____ and plants are part ___ ur is imprtant ____ us and ther things cme ______ trees and plants.
15.—What wuld yu like fr afternn tea?—Just ___ cup f cffee.