人教版九年级全册英语Unit 13 We’re trying to save the earth单元训练（含答案）

2024-2025 学年人教版九年级全册英语 Unit 13 We’re trying to save the earth! 单元训练 一、词汇运用 （一）根据汉语提示写单词 Don't _____ (乱扔) litter everywhere. We should keep the environment clean. The _____ (底部) of the bottle is broken. We need to buy a new one. The government is making laws to protect the _____ (渔民) and their rights. The factory is producing a lot of waste gas. It makes the air in the city very _____ (丑陋的，恶劣的). We should think about the _____ (优点) and disadvantages before we make a decision. （二）用所给单词的适当形式填空 The river near our school is _____ (serious) polluted. We must do something to clean it up. It's important for us _____ (protect) the environment. The _____ (fish) in this area are worried because there are fewer and fewer fish in the river. Everyone should play a part in _____ (save) the earth. We can use _____ (recycle) materials to make new products. 二、单项选择 There is _____ rubbish in the river. It smells terrible. A. too many B. too much C. much too D. many too We should take action _____ air pollution. A. fight B. fighting C. to fight D. fought The number of cars in the city _____ larger and larger. A. is B. are C. were D. be The air in the city is badly polluted. We should try our best _____ it. A. improve B. improving C. to improve D. improved —What can we do to make a difference —We can _____ the lights when we leave the room. A. turn on B. turn off C. turn up D. turn down It's cruel _____ sharks for their fins. A. kill B. killing C. to kill D. killed We should use _____ sides of the paper to save trees. A. each B. every C. both D. all 三、句型转换 We should take the bus to school to cut down air pollution. (对划线部分提问) _____ should we _____ to cut down air pollution The river is full of rubbish. (改为同义句) The river is _____ _____ rubbish. People cut down many trees in the past. (改为被动语态) Many trees _____ _____ down by people in the past. To protect the environment is very important. (改为同义句) _____ very important _____ protect the environment. We should stop using plastic bags. (改为否定句) We _____ _____ stop using plastic bags. 四、完形填空 The earth is our home. We must take good care of it. Life today is easier than it was 1___ years ago, but it has brought some new problems. One of the biggest problems is pollution. We can see it, smell it, drink it and even hear it. Man has polluted the 2.___ The more people, the more pollution. Many years ago, the problem was not so serious 3 ___ there were not so many people. When the 4___ was used up or the river was not clean in a place, man went to another place. However, man is 5___ polluting the whole world nowadays. Air pollution is still the most serious pollution. It's bad for all living things in the world. Water pollution 6___ our fish and pollutes our drinking water. Noise pollution makes us 7___ more easily. Many countries are making rules to fight pollution. They stop people from 8___ dirty smoke into the air. Th ... ...