九级英语全册《Unit 13 We’re trying to save the earth（第3课时）》当堂达标题 （新版）人教新目标版.doc

unit 13 we are trying to save the earth!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