九年级英语全册Unit13We’retryingtosavetheearthSectionA3a_GrammarFocus习题.docx

Unit 13 Were trying to save the earthSectionA(3aGrammar Focus).根据句意及所给汉语提示，写出句中所缺单词。1. Greg has always wanted a guitar, but he cant _(买得起) one.2. Many countries made _(法律) to stop smoking in public places.3. The trade with foreign countries caused Chinas _(工业) to develop quickly.4. Henry was so excited when he received an invitation to speak at a(n) _(科学的) meeting.5. The poor workers were often made to work more than 16 hours a day by the _(残酷的) boss.根据语境及所给汉语提示，完成下列句子或对话，每空一词。1. This word _ _(以开始) the letter“a”.2. Who is Claire? I have never _ _(听说) her.3. The waiter made a mistake in _ _(加起来) the bill (账单).4. Alex _ _ _(参加) many after-class activities when he was at junior high school.5. The government _ _ _(采取了快速的行动) to help the people in the train accident.6.How much shall I _ _(付费) the phone call?You dont have to. This is free.7. After the earthquake, the villagers were completely _ _(隔绝) from the outside.8. Nelly loves fast food a lot though many others think it _ _ _(对有害) health.9. Can the man shoot the bird _ _ _ _(在顶部) the tree?10. Do you think that we should _ _ _(使用公共交通) to protect our environment?.根据短文内容及括号内所给(短语)动词的提示，用正确的时态或语态补全短文，使短文完整、通顺。The clockwork radio (发条式收音机) is the only radio that doesnt need batteries (电池) or electricity. It is powered by turning the handle (手柄) for a minute. Nowadays, thousands of these radios (1)_(make) every day.The clockwork radio (2)_(invent) in 1991 by Trevor Bayliss, a British inventor. Trevor had the idea while he (3)_(listen to) some news on the radio aboutAfrica. It (4)_(report) that Africans were dying of Aids and there was no easy way to send them information about the disease.But no one would help Trevor develop his idea for a new kind of radio. Finally, in 1993, his invention (5)_(show) on a TV program, and afterwards, a South African businessman (6)_(hear of) Trevors clever idea and contacted (联系) him. The firstFreeplayradios (7)_(build) inSouth Africain 1995.Since then, the radios (8)_(be) a great success. Trevor has been given many prizes, including one from Nelson Mandela.Trevor (9)_(hang) a letter on the wall in his house. It (10)_(write) in 1991 by another engineer, who explained why he thought Trevors idea for a clockwork radio couldnt possibly work!答案SectionA (3aGrammar Focus). 1. afford 2. laws 3. industry4. scientific 5. cruel. 1. begins / starts with 2. heard of3. adding up 4. took part in5. took quick action 6. pay for7. cut off 8. is harmful to / bad for9. at the top of10. use public transportation. 1. are