Saving the earth

Saving the earth,标签：高中英语教案,http://www.xuehuiba.com
2. We listen to lectures about pollution, agriculture, nuclear waste, radiation and so on.
waste
vt. 浪费
1) Mother told me not to waste money. 母亲不让我乱花钱。
2) Don’t waste time playing computer plays.不要浪费时间打电脑游戏。
　　　　　waste something on something/in doing something 用法与spend类似，可以让学生记成“双费（浪费和花费）”。
n. (通常不可数) 浪费, 废物
1） This waste of good food should not be allowed. 浪费食物是不允许的。
2） Where do you put your kitchen waste? 你把厨房的废物放在哪里？
3) It’s a waste of money to buy the book. 买那本书是浪费金钱。
　　　　　a waste of time/money/energy是固定表达，同a wonderful education类似。
3. It won’t be fit for us to live in.
fit
adj. 适合于---的。 be fit for something:适合某事
1) He isn’t fit for the job. 他不适宜此工作。
2) These shoes are not fit for me. 这些鞋不适合我。
3) The house isn’t fit for you to live in. 这间房子不适合你居住。
be fit for somebody to do something:某人适合做某事
4) This water is fit for drink. 这种水可以喝。
5) It’s not fit for you to talk like that.你这样谈话是不得当的。
adj. 健康的，精力充沛的
6) Exercise keeps you fit. 体育运动使你保持健康。
vt. 对--- 适合，符合，适宜合适，强调大小、尺寸
7) This jacket fits me well. 这件夹克适合我。
8) The key doesn’t fit the lock. 钥匙与锁不符。
9) This theory fits facts. 这条理论适合实际。
vi. 合适
10) The shoes fit perfectly. 这双鞋不合适。
11) He doesn’t fit into the team. 他不宜在队中。
fit somebody to do something/fit somebody for something:使某人适合做某事
12）Vocational training will fit them for a good job.
Vocational training will fit them to get a good job. 职业的培训使他们能找到一个好工作。
vt.安装
12) We fitted a new lock on the door. 我们给门安上了一个新锁。
注意suit表示的是颜色样式和款式的合适。
The color of the cloth suits a woman at my wife’s age. 这块布料的颜色适合我妻子年龄的妇女。
Red and black are colors that suit me well.红和黑色对我来说非常合适。
4. The area of desert in the world is growing every year.
desert n.沙漠
1) He drove a car across the desert. 他开车穿越了沙漠。
vt. 抛弃、背弃
2) He deserted his family. 他抛弃了他的家庭。
vi. 开小差
3) The soldier deserted from the army. 士兵们从军队中开小差跑了。
deserted adj. 无人使用的，已废弃的
4) The railway station was deserted. 那个火车站已经废弃不用了。
5. Then one year, the rains fail to come.
fail vi. 失利，失败 fail to do something 做某事没成功
1) She failed to pass all the exams. 她考试全部失利。
fail in something 在某事上没成功
2) He failed in business. 他在事业上一败涂地。
failure n. 失败 在某一方面失利介词用常用in
3) Her failure in the exam made her cry. 在考试中的失利使她痛哭。
6. One suggested answer is for farmers to limit the numbers of their cattle.
limit vt. 限制
1) We must limit our spending. 我们必须限制我们的开销。
2) Mother limits us to eat one cake each. 母亲限制我们只能一人一块蛋糕。
n. 限制
3) The speed limit within the city is 35 miles per hour. 在城市里的限速是每小时35英里。
7. When trees are cut down, there is nothing to hold the soil in place on the hillside.
place in place 在原处
1) She likes everything to be in place. 她喜欢将每种东西放回原处。
2) I hope you will keep the books in place. 我希望你将书放回原处。
in place of somebody:代替某人
3) Will you go in place of me?你是否代替我去？
take place:发生
4) A car accident took place yesterday. 昨天发生了一起车祸。
take the

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place of somebody:代替某人
5) I’ll take the place of Mr. Wang. 我将代替王先生的位置。
take one’s place:接替某人
6) I’ll take Mr. Wang’s place. 我将接替王先生。
8. However, many of these are dying out.
die out vi.（火）熄灭
1) The fire died out at last. 最后火还是熄灭了。
vi. 绝种
2) This kind of bird is dying out, and we must protect them. 这种鸟类已经正在灭绝，我们应该保护他们。
9. The purpose of the trip was to record all the wildlife and plants that we could find in the forest.
Purpose n. 目的， 通常是可数名词。目的是什么 用介词for.
1) What was the purpose of his visit? 他来访的目的是什么？
2) He came to Beijing for business purpose. 他来北京是有商业目的的。
on purpose: 专门
3) I had no doubt that she did this thing on purpose. 我毫不怀疑她做这件事是有目的的。
10. In the afternoon, we all went off separately to look for new plants.
Go off 动词短语
走开
1) She got angry and went off after she heard what I said. 听到我所说的她一生气离开了。

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