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1、 精品資料 Unit 13 We are trying to save the earth! Section?A (3a—Grammar Focus) Ⅰ. 根據(jù)句意及所給漢語提示，寫出句中所缺單詞。 1. Don’t play a joke on him about his weight — it’s ________(殘忍的). 2. You are supposed to know the ________(法律) of your own country. 3. Can these toys be ________(回收利

2、用)? 4. These materials are widely used in ________(工業(yè)).21世紀教育網(wǎng)版權所有 5. They walked because they couldn’t ________(負擔得起) a taxi. 6. To solve this problem, we need to learn more ________(科學的) knowledge. Ⅱ. 根據(jù)句意，從方框中選擇恰當?shù)膯卧~填空，有的需要變換形式。 reuse, shark, ecosystem, transportation, fin 1. People need to

3、 get out of their cars and use public ________.21教育網(wǎng) 2. We saw two ________ in the wild zoo. They are large and have sharp (尖的) teeth. 3. Things that are ________ can be used more than once. 4. Do fish use their ________ to swim? 5. A(n) ________ is about all the plants and animals that live in

4、 a specific (特定的) area.21·cn·jy·com Ⅲ. 根據(jù)句意及所給漢語提示，用恰當?shù)亩陶Z填空。 1. One third of boys in my class ________________(參加) the running race last week.www.21-cn- 2. Please ________________(關掉) the TV. It’s? too noisy.2·1·c·n·j·y[來源:Z_xx_k.Com] 3. The doctor says fruit juice ________________(對……有害) childr

5、en’s teeth. 4. If you don’t work hard now, you’ll ________________(為……付出代價) it later when you fail your exams.【來源：21·世紀·教育·網(wǎng)】 5. They had a picnic ________________(在……頂部) of the hill. 6. Last month they ________________(采取行動) to prevent water pollution. 7. Insects are fairly low on _____________

6、___(食物鏈).21·世紀*教育網(wǎng) 8. One of his fingers was ________________(切掉) in the accident.[來源:Z*xx*k.Com] 9. ________________(……的數(shù)量) trees has increased in the past few years. 10. Helen ________________(不再) practices the piano.www-2-1-cnjy-com Ⅳ. 將下列句子翻譯成英語。 1. 張麗現(xiàn)在在圖書館看書。 ____________________________

7、________________ 2. 這條街道過去很臟。 ____________________________________________ 3. 那個國家講什么語言？ ____________________________________________ 4. 我以前從來沒有乘飛機旅行過。 ____________________________________________ 5. 他七歲時就會彈吉他。 ____________________________________________ 答案： Ⅰ. 1. cruel? 2. laws? 3. r

8、ecycled? 4. industry 5. afford? 6. scientific Ⅱ. 1. transportation? 2. sharks? 3. reusable? 4. fins 5. ecosystem Ⅲ. 1. took part in? 2. turn off? 3. is harmful to? 4. pay for? 5. at the top of?? 6. took action 7. the food chain? 8. cut off? 9. The number of 10. no longer Ⅳ. 1. Zhang Li is reading in the library now. 2. This street used to be dirty. 3. What language is spoken in that country? 4. I have never traveled by plane before. 5. He could play the guitar when he was seven.