人教版九年级英语全册导学案Unit 13 Were trying to save the earth!(学案1)

义务教育基础课程初中教学资料

祝福您及家人身体健康、万事如意、阖家欢乐！祝福您及家人身体健康、万事如意、阖家欢乐！祝福您及家人身体健康、万事如意、阖家欢乐！祝福您及家人身体健康、万事如意、阖家欢乐！祝福您及家人身体健康、万事如意、阖家欢乐！祝福您及家人身体健康、万事如意、阖家欢乐！祝福您及家人身体健康、万事如意、阖家欢乐！祝福您及家人身体健康、万事如意、阖家欢乐！祝福您及家人身体健康、万事如意、阖家欢乐！Unit 13 We’re trying to save the earth!

知识导航

语言目标

祝福您及家人身体健康、万事如意、阖家欢乐！祝福同学们快乐成长，能够取得好成绩，为祖国奉献力量祝福您及家人身体健康、万事如意、阖家欢乐！祝福同学们快乐成长，能够取得好成绩，为祖国奉献力量

谈论污染和环境保护。

1. litter v. 乱扔 n. 垃圾 2. bottom n. 底部 3. coal n. 煤 4. ugly adj. 丑

陋的 5. cost v.花费 n. 花费 6. wooden adj. 木制的 (wood n. 木材)

重点 7. plastic adj. 塑料的n. 塑料 8. method n. 方法 9. cruel adj. 残酷的 单词 10. harmful adj. 有害的 (harm n. 害处) 11. industry n. 工业 12. law n.

法律 13. afford v. 承担得起 重点 短语 重点 句型

1. make a difference 起作用；有影响 2. take part in 参加 3. turn off 关掉 4. pay for 付费；付出代价 5. cut down 减少 6. lead to 导致 7. hear of 听说 8. cut off 切除

1. We’re trying to save the earth. 我们在努力拯救地球。 2. The rive used to be so clean. 这河流过去是如此的清澈。 3. The air is badly polluted. 空气被严重污染。

4. The method is not only cruel, but also harmful to the environment. 这种方法不仅残酷，而且对环境也有害。

1. recycle v. 回收利用 2. gate n. 大门 3. bottle n. 瓶子 4. president n. 负责人 5. work n. 作品 6. metal n. 金属

1. throw away 扔掉 2. put sth. to good use 好好利用 3. put … down 拆下 4. upside down 上下颠倒 5. bring back 恢复

1. And the gate in front of her house is made of rocks and old glass bottles. 她房子的前门是由岩石和旧玻璃瓶子制成的。

Section A

[来源学#科#网]重点

单词

重点

短语

重点 Section B 句型 +Self Check 核心 语法

2. Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity. 不仅艺术品能给人们带来快乐，而且冰冷坚硬的钢铁在艺术创作下也恢复了生命。

1. 复习现在进行时、used to句型、被动语态、现在完成时和情态动词。

Section A (1a-2d) 【基础预习】

I. 写出下面单词的意思。

1. littler ______ 2. bottom ________ 3. fisherman _____ 3. coal __________ 5. ugly ________ 6. advantage ______ 7. cost ________ 8. wooden ________ 9. plastic _______

II. 把下面的短语与汉语意思搭配。 1. make a difference A. 参与 2. cut down B. 充满 3. lead to C. 减少

4. be full of 5. play a part in D. 起作用 E. 导致

【重点讲练】

1. The air has become really polluted around here. 这儿的空气已经被污染了。 辨析：turn, get 与become

⑴ become多指身份、职位等的变化，它强调变化的过程已经完成，后面可接名词或形容词。 He becomes a teacher. 他成了一名老师。

⑵ get多用于口语，表示一种变化过程，强调的是“渐渐变得”，后常接形容词的比较级形式。 In winter the days get shorter. 冬季白天变得较短。

⑶ turn指在颜色和性质等方面与以前的完全不同，强调变化的结果。 Leaves turned brown in the mountains. 山里的树叶已变成了棕色。 【小试牛刀】用turn, get 和become填空。

① Her mother ____ angry when she heard the news.

② It’s _____ darker and darker outside. ③ The milk has _____ bad.

2. To cut down air pollution, we should take the bus or subway instead of driving. 为了减少空气污染，我们应该乘坐公共汽车或者地铁，而不是开车。

cut down 意为“减少”；是“动词+副词”结构的短语，所带的宾语为名词时，宾语可位于down的前面或后面；为代词时，只能位于down前面。

You’d better cut the article down to about 2,000 words. 你最好能把这篇文章压到两千字左右。 【拓展】

cut down 还可表示“砍倒”的意思。

They cut down the big tree. 他们砍倒了这棵大树。

cut off 切断；切除 cut into 把……切成……

切碎 cut up

插队 cut in

【小试牛刀】单项选择 —Did you tell it to Jack?

—Yes, but we were ____ in the middle of our telephone conversation. A. cut down B. cut off C. cut up D. cut into

3. It’s good for health and it doesn’t cost anything! 它对身体有好处并且不会花费任何东西。 辨析：spend, cost, take, pay 花费 主语 表示的内容

宾语可以是钱、精力、时间spend 人

等。

物或事 后接life, money, health, timecost

等，侧重于“花费”的代价。

事或人 它说明事情完成“花费take

了……”。

意思是“支付”，作为及物pay 人

动词，宾语可以是“人”、“钱”

人 宾语为“物”、“事”，for表示pay

支付的原因 for

【小试牛刀】单项选择

1. —Do you take exercise every day?

—Yes. I always ___thirty minutes after supper. A. spend B. cost C. take D. pay 2. I _________ $300 for the bike.

A. took B. spent C. cost D. paid 【达标训练】

Ⅰ. 用方框中所给词的适当形式填空。

cost, wood, coal, bottom, litter

1. Don’t throw _____ (垃圾) everywhere.

2. In winter, many people burn ____ (煤) to keep warm. 3. The police found a body at the ____ (底部) of the lake. 4. The _____ (费用) of living in big cities is very high. 5. He keeps a rabbit in a big ____ (木制的) box. II. 单项选择。

1. He ____ go out with his parents, but now he ____ staying at home alone. A. used to; is used to B. is used to; used to C. use to; is used to D. is used to; is used to 2. The interesting book _____ me 10 yuan. A. spent B. took C. paid D. cost

3. We must do something useful to ____ pollution. A. cut off B. cut up C. cut down D. cut in

4. Smoking can _____ lung cancer. You’d better give it up. A. work on B. lead to C. take away D. put out

5. —What are the _____ of bike riding? —It can help cut down air pollution. A. advantages B. reasons C. results D. ideas III. 根据汉语提示完成下面的句子。 1. 多一个人少一个人无所谓。 One person wouldn’t ____ ____ ____. 2. 这个木箱时装满了书。

The ____ box ____ ____ ____ books.

3. 不健康的饮食对这种疾病的传播起一定的作用。 Unhealthy foods ___ ___ ___ ___ the spread of the disease. 4. 这条小路通向公园。 The path ____ ____ the park. 5. 我错拿了你的包。

I took your bag ____ ____ mine by mistake.

Section A (3a-4c) 【基础预习】

I. 根据汉语提示写出下面句中所缺的单词。

1. I have a simple and easy ____ (方法) to solve the problem. 2. We shouldn’t be ____ (残忍的) to animals.

3. It’s ____ (有害的) to your health to drink to much. 4. The city is the _____ (工业) center of the country. 5. The car is too expensive, I can’t ___ (买得起) it. II. 写出下面短语的意思。

1. take part in __________ 2. turn off ____________ 3. pay for ____________ 4. hear of _____________

5. be harmful to ___________ 【重点讲练】

1. The method is not only cruel, but also harmful to the environment. 这种方法不仅残酷，而且对环境也有害。

harmful 形容词，意为“有害的”。常构成短语be harmful to “对……有害的”。 Staying up often is harmful to your health. 经常熬夜对你的健康有害。 【拓展】

harm 名词，意为“害处”。常用构成短语do harm to “对……有害”，相当于be harmful to. Too much smoking does harm to his health. = Too much smoking is harmful to his health. 吸烟过多对他的健康有害。

【小试牛刀】改为同义句。

[来源学科网]Reading in the sun does harm to our eyes. Reading in the sun ___ ___ ___ our eyes.

2. Have you ever taken part in an environmental project? 你曾经参加过环境保护活动吗？ 辨析：join, join in 和take part in

加入组织，团体，党派等，有作

为其中的一个成员的含义。

后面也可以加表示人的名词，表join

示和某人一起参加某活动。 加入一种具体活动。 join in

指参加会议或群众性活动等，着

take part in 重说明句子主语参加该项活动并

在活动中发挥作用。

Will you join us in the discussion? 你参加我们的讨论吗？ She joined the Young Pioneers. 她加入了少先队。

Why didn't you join in the talk last night? 昨晚你为什么没参加座谈？ Did you take part in the sports meet? 你参加运动会了吗？ 【小试牛刀】单项选择。

[来源学科网ZXXK][来源学科网ZXXK]1. —Have you _____ a club?

—Yes, I’m in a swimming club and I often _____ the swimming training. A. joined; take part in B. joined; join C. taken part in; join D. taken part in; join in

2. —We’re going for a picnic. Would you like to____ us? —Why not? Let’s go!

A. attend B. join C. join in D. take part in

3. We can’t afford to wait any longer to take action! 我们不能再等了，要采取行动了。

⑴ afford是动词，意为“买得起,担负得起”，通常与can, could, be able to连用,多用于否定句中。

They couldn’t afford $50 for a ticket. 他们拿不出50美元买一张票。 ⑵ afford后面常跟带to的动词不定式。

We can’t afford to go abroad this summer. 今年夏天我们没有足够的钱出国。 【小试牛刀】单项选择。

Miss Taylor never wastes money on anything too expensive, even though she can _____to. She has donated much of the money she saved to charities. A. afford B. allow C. remind D. pay 【达标训练】

I. 用方框中词的适当形式完成下面的句子。

method, cruel, harmful, afford, law

1. I think it’s ____ to make such a young boy work all day. 2. The poor fisherman can’t _____ his children’s education.

3. I think the government must develop _____ to protect environment. 4. Eating too much junk food is ____ your health.

5. He can use different _____ to work out the problem. II. 单项选择。

1. —Are you going to _____ any of the events? —Yes. Maybe long jump and high jump. A. take part in B. join C. attend D. join in

2. I can’t afford ____ him an expensive birthday present. A. to buy B. buying C. for buying D. buy

3. —Remember to ____ the lights when you leave the room. —OK. I will. A. turn on B. turn down C. turn up D. turn off

4. The girl always has some money to ___ snacks. A. spend B. pay for C. take D. cost

5. —Look! _____ boys are playing on the playground. —Yes. _____ them is about 200.

A. The number of; A number of B. The number of; The number of

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