第四节 听短文,填写表格。(共3小题,每小题1.5分,满分4.5分)
下面你将听到一段短文,根据你所听到的内容,填写表格中所缺单词,每空仅填一词。听短文前,你将有15秒钟的时间浏览表格。听完后,你将有30秒钟的时间作答。短文听两遍。

18. 19. 20.

答案略

一、完形填空。(共15小题;每小题1分,满分15分)
阅读短文,从每小题所给的四个选项中,选出最佳选项,填入空白处。
There are a lot of long rivers in the world, like the Nile,
the Amazon and the Yangtze River. The Nile is the 1
river in the world. Many people think it is an 2 river,
the lifeline of Egypt. But in fact, it is an international river
used by eleven countries in Africa. And it is the main source
(来源) of 3 in two countries, Egypt and Sudan.
These years, the environment along the Nile has 4 a
lot, but nobody noticed this 5. Once some great 6
did an experiment(实验) along the Nile. The purpose(目的)
of the experiment was to show 7 a big ping-pong ball
traveled four thousand miles down the river. The experiment
ended when the ping-pong ball 8 the capital city of
Egypt, Cairo. At that time, a student from one of the
schools in Cairo reached down(伸手向下) into the Nile and
9 the ping-pong ball from the water. Scientists 10 it
by driving along roads. They kept 11 careful records(记
录) of how far the ball traveled each day. The scientists
12 in doing this experiment. It helped people realize that
in some ways the earth was just a 13 ping-pong ball
traveling through space. The big ping-pong ball became too
dirty and got 14 hurt during the tour in the Nile. Our
earth is like the ping-pong ball in the experiment and it needs
our 15. It is our home, and it is our future.
()1. A. longest B. widest
C. deepest D. highest
()2. A. interested B. beautiful
C. wonderful D. amazing
()3. A. water B. food C. oil D. salt
()4. A. sold B. added
C. washed D. changed
()5. A. achievement B. condition
C. challenge D. development
()6. A. teachers B. engineers
C. workers D. scientists
()7. A. how B. when C. where D. who
()8. A. passed B. returned C. reached D. went
()9. A. picked up B. fixed up C. put up D. cut up
()10. A. ran B. caught
C. flew D. followed
()11. A. much B. few C. little D. many
()12. A. finished B. kept
C. succeeded D. realized
()13. A. round B. new C. small D. big
()14. A. heavily B. quietly C. suddenly D. badly
()15. A. research B. protection
C. silence D. discovery

1. A
2. D
3. A
4. D
5. B
6. D
7. A
8. C
9. A
10. D
11. D
12. C
13. C
14. D
15. B

1. 考查形容词词义辨析。根据常识及前文提到的long rivers，尼罗河是世界上最长的河流，longest（最长的）符合语境，故选A。
2. 考查形容词词义辨析。an后接元音音素开头的单词，amazing（令人惊叹的）符合，且结合“the lifeline of Egypt”可知它是令人惊叹的河流，故选D。
3. 考查名词词义辨析。尼罗河是埃及和苏丹的主要水源来源，water（水）符合语境，故选A。
4. 考查动词词义辨析。结合语境，尼罗河沿岸环境发生了很多变化，changed（改变）符合，故选D。
5. 考查名词词义辨析。没人注意到这种环境状况，condition（状况）符合语境，故选B。
6. 考查名词词义辨析。后文提到“Scientists”，可知是科学家做实验，scientists（科学家）符合，故选D。
7. 考查宾语从句引导词。实验目的是展示乒乓球如何沿河漂流四千英里，how（如何，怎样）表方式，符合语境，故选A。
8. 考查动词词义辨析。乒乓球到达埃及首都开罗时实验结束，reached（到达）后可直接接地点，符合语境，故选C。
9. 考查动词短语辨析。学生从水里捡起乒乓球，picked up（捡起）符合语境，故选A。
10. 考查动词词义辨析。科学家沿着公路开车跟随乒乓球，followed（跟随）符合语境，故选D。
11. 考查形容词词义辨析。records是可数名词复数，many（许多）修饰可数名词复数，符合语境，故选D。
12. 考查固定搭配。succeed in doing sth.是固定搭配，意为“成功做某事”，符合语境，故选C。
13. 考查形容词词义辨析。把地球比作太空中的小乒乓球，small（小的）符合语境，故选C。
14. 考查副词词义辨析。乒乓球变得很脏且严重受损，badly（严重地）修饰hurt，符合语境，故选D。
15. 考查名词词义辨析。地球需要我们的保护，protection（保护）符合语境，故选B。