内容正文:
广州市西关外国语学校2021学年第二学期
九年级英语期中考试
(满分90分)
一、语法选择(共15的,每小题1分,共16分)
Take a piece of hair from your head. Ouch! It may be long, ___1___ it’s not very wide. Three scientists spent over 30 years ___2___ machines that are about a thousand times ___3___ than the width of one piece of your hair. They are ___4___ small that they can only be seen under ___5___ microscope (显微镜)!
They ___6___ nanomachines (纳米机器). Because of their hard work, the three scientists won the 2016 Nobel Prize in Chemistry. They are all European,
Sir J. Fraser Stoddart one of the scientists, told reporters that he thanked ___7___ other scientists from 24 different countries for helping make this prize ___8___. He said he once brought home a chocolate Nobel Prize ___9___ his daughter from a trip to Stockholm. He was very excited ___10___ a real one.
Scientists believe that in the future, nanomachines could ___11___ deliver medicine inside a person’s body, or take away things ___12___ are making us sick.
Mr. Feringa compared their work to that of the Wright Brothers. When the Wright Brothers ___13___ their airplane for the first time some people questioned ___14___ airplanes were good for. Now we use ___15___ all the time.
1. A. and B. or C. but D. so
2. A. invented B. invent C. to invent D. inventing
3. A. small B. smaller C. smallest D. the smallest
4. A. such B. too C. so D. very
5 A. a B. an C. the D. /
6. A. call B. called C. are called D. was called
7. A. hundred B. hundred of C. hundreds D. hundreds of
8. A. possible B. possibly C. possibility D. most possibly
9. A. by B. for C. in D. at
10. A. have B. having C. to have D. to having
11. A. helped B. to help C. helping D. help
12. A. who B. when C. that D. /
13. A. fly B. flew C. are flying D. will fly
14. A. what B. that C. how D. if
15. A. they B. them C. their D. themselves
二、完形填空(本题共10小题,每题1分,共10分)
There are two kinds of opinions on “the life in the past and the life today”.
Someone thinks that the life today is quite ___16___ from that in th