Unit8 单元综合练习 一、单项选择 1. During the exam, I was so nervous that I could feel my heart _____ fast. A. shaking B. beating C. jumping D. running 2. Which of the following words is a compound word (复合词) A. toothache B. careless C. colourful D. active 3. Tom didn't hear the car because he _____ music. A. listened to B. was listening to C. listens to D. is listening to 4. —What should I do when an earthquake happens, Dad —First of all, it's important to _____ and hide in the corners of the room. A. calm down B. put down C. get down D. fall down 5. —My brother hurt his legs yesterday. —_____. A. That's great B. He is very careless C. Be careful next time D. I'm sorry to hear that 二、完形填空 Do you feel it was warmer than before “There have been twenty-one 1 winters in China since 1986,” said scientists. “For the past 100 years, the 2 in North China has climbed slowly.” China needs to take quick action to 3 carbon dioxide emissions (排放) because it's the main reason for global warming. The good news is that China has seen the importance of going 4 . China set the goal of cutting energy use by 13.5% in its five-year plan for 2021-2025. Here is some 5 for you. Wearing used clothes such as your brother's or sister's old T-shirts means you 6 energy. And don't forget to 7 the lights when you leave a room and turn off your television and computer when they are not 8 . Besides, taking a bus saves a lot of gas every year. Also 9 a window and try not to use the air conditioner (空调). If necessary, set the temperature 10 in summer and lower in winter to save energy. All these are good for the earth. 1. A. cool B. hot C. cold D. warm 2. A. temperature B. weather C. snow D. wind 3. A. increase B. improve C. cut D. break 4. A. yellow B. green C. black D. blue 5. A. advice B. information C. news D. homework 6. A. use B. find C. save D. keep 7. A. turn on B. turn off C. turn up D. turn over 8. A. in use B. on business C. at present D. for fun 9. A. clean B. close C. make D. open 10. A. stronger B. higher C. taller D. quicker 三、阅读理解 Maybe you know floods, earthquakes and so on. But have you heard of typhoons Typhoons are one of the worst kinds of storms, usually around the Pacific Ocean. Most typhoons happen in July, August and September. How does a typhoon happen When lots of seawater gets hot in summer, it evaporates (蒸发) into the air. This makes the air hotter. When the air gets warm enough, it starts to move higher up into the sky. Then cooler air around it rushes in. It fills the space that is left. After the air gets warmer, it starts to move quickly, making wind. The wind goes in circles and keeps moving higher in the sky. The warmer the air gets, the more quickly the wind moves. And when the wind moves faster than 30 metres a second, a typhoon begins. A typhoon has two parts, and one is called the “eye”. In the eye, the wind does not move so fas ... ...
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