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2019-2020年九年级英语全册Unit13Weretryingtosavetheearth第3课时当堂达标题新版人教新目标版Section A (Grammar focus4c). 根据句意及所给汉语提示，写出句中所缺单词。1. Dont play a joke on him about his weight its _(残忍的).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 _(工业). 5. They walked because they couldnt _(负担得起) a taxi.6. To solve this problem, we need to learn more _(科学的) knowledge. 根据句意，从方框中选择恰当的单词填空，有的需要变换形式。reuse, shark, ecosystem, transportation, fin1. People need to get out of their cars and use public _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. 根据句意及所给汉语提示，用恰当的短语填空。1. One third of boys in my class _(参加) the running race last week.2. Please _(关掉) the TV. Its too noisy.3. The doctor says fruit juice _(对有害) childrens teeth.4. If you dont work hard now, youll _(为付出代价) it later when you fail your exams. 5. They had a picnic _(在顶部) of the hill.6. Last month they _(采取行动) to prevent water pollution.7. Insects are fairly low on _(食物链). 8. One of his fingers was _(切掉) in the accident.9. _ (的数量) trees has increased in the past few years.10. Helen _(不再) practices the piano. 将下列句子翻译成英语。1. 张丽现在在图书馆看书。_2. 这条街道过去很脏。_3. 那个国家讲什么语言？_4. 我以前从来没有乘飞机旅行过。_5. 他七岁时就会弹吉他。_ _九年级英语第13单元当堂达标题答案及解析 第3课时. 1. cruel 2. laws 3. recycled 4. industry 5. afford 6. Scientific（解析略）. 1. transportation 2. sharks 3. reusable 4. fins 5. Ecosystem(解析略)III.1. took part in解析: last week是过去时的标志词，结合短语take part in 的考察。2. turn off 解析: turn off关掉。3 . is harmful to解析: be harmful to对有害。 4. pay for解析: pay for为付出代价。5. at the top of解析: at the top of 在顶部。6. took action 解析: take action采取行动，根据句子得出使用一般过去时态。7. the food chain解析: the food chain食物链。8. cut off 解析: cut off切掉。9. The number of解析: The number of的数量。10. no longer解析: no longer不再。. 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.
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