《2025年习题e百课时训练九年级英语全一册人教版》

1. ______D
2. ______E
3. ______A
4. ______B
5. What do you think of reading? Why? (no more than 15 words)______I think reading is helpful. Because it can help me relax when I feel tired.

答案： 1. D 2. E 3. A 4. B 5. I think reading is helpful. Because it can help me relax when I feel tired.（言之有理即可）

五、语法填空
What is the quietest place on Earth? Believe it or not,it is a room at Orfield Laboratories in Minnesota,the US. The room is 1.widely (wide) known among the local people. The average ambient noise(平均环境噪声) in the room is —13 dB. In other words,the noise there is 2.so low that our ears cannot hear it at all. 3.What a special room!
According to the 4.introduction (introduce) of Steven Orfield,who set up the labs,the room is a box with steel walls. It is hung by springs(弹簧) inside a much 5.larger (large) steel box. The walls,ceiling(天花板)and floor of the room 6.are covered(cover)with brown fiberglass wedges(玻璃纤维楔形物) to take in sound.
Tickets for the room is 75 dollars per person. With a ticket,one can stay there for 7.an hour with four other people. 8.Tons (ton) of visitors say they hear small sounds from their own bodies,such as the sound of blood flowing. Some even find it hard 9.to walk (walk) in the room. "You don't have any sound cues(提示) to help guide you there," said Steven. "So,if you stay there for 30 minutes,you'll 10.without doubt want to sit in a chair."
Also,the room has been used by some companies to test different things. For example,LED displays(显示器) have been put there to make sure they are not too noisy.

答案： 1. widely 2. so 3. What 4. introduction 5. larger 6. are covered 7. an 8. Tons 9. to walk 10. without