精品資料Unit 13 We are trying to save the earth!Section A (3aGrammar Focus). 根據(jù)句意及所給漢語提示，寫出句中所缺單詞。1. Dont play a joke on him about his weight its _(殘忍的).2. You are supposed to know the _(法律) of your own country.3. Can these toys be _(回收利用)?4. These materials are widely used in _(工業(yè)).21世紀(jì)教育網(wǎng)版權(quán)所有5. They walked because they couldnt _(負(fù)擔(dān)得起) a taxi.6. To solve this problem, we need to learn more _(科學(xué)的) knowledge. 根據(jù)句意，從方框中選擇恰當(dāng)?shù)膯卧~填空，有的需要變換形式。reuse, shark, ecosystem, transportation, fin1. People need to 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 a specific (特定的) area.21·cn·jy·com. 根據(jù)句意及所給漢語提示，用恰當(dāng)?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(guān)掉) the TV. Its  too noisy.2·1·c·n·j·y來源:Z_xx_k.Com3. The doctor says fruit juice _(對(duì)有害) childrens teeth.4. If you dont work hard now, youll _(為付出代價(jià)) it later when you fail your exams.【來源：21·世紀(jì)·教育·網(wǎng)】5. They had a picnic _(在頂部) of the hill.6. Last month they _(采取行動(dòng)) to prevent water pollution.7. Insects are fairly low on _(食物鏈).21·世紀(jì)*教育網(wǎng)8. One of his fingers was _(切掉) in the accident.來源:Z*xx*k.Com9. _(的數(shù)量) trees has increased in the past few years.10. Helen _(不再) practices the piano.www-2-1-cnjy-com. 將下列句子翻譯成英語。1. 張麗現(xiàn)在在圖書館看書。_2. 這條街道過去很臟。_3. 那個(gè)國(guó)家講什么語言？_4. 我以前從來沒有乘飛機(jī)旅行過。_5. 他七歲時(shí)就會(huì)彈吉他。_答案：. 1. cruel  2. laws  3. recycled  4. industry 5. afford  6. scientific. 1. transportation  2. sharks  3. reusable  4. fins 5. ecosystem. 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. 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.