广东省2020届高三英语复习 40分钟限时训练15

高三英语限时练习十五

完形填空（时间：10分钟）

For some people, the sight of a mouse can be reason to scream. For other mice, the same sight can be reason to sing.

Mice will probably 21 sing their way to any concert, but researchers in the United States have found 22 that mice do, 23 , sing. Scientists already knew that mice make ultrasonic(超声波) sounds—noises that are too high-pitched(高音的) for people to hear 24 special equipment.

To find out whether mice put such sounds together in song-like 25 , the researchers recorded the sounds of 1 mice. Using computer 26 , they were able to separate the sounds into specific types of syllables(音节), and found the mice produced about 10 syllables per second.

The results showed that nearly all of the mice repeated sequences(顺序) of syllables in different patterns. That’s enough to meet the definition of what scientists 27 song. But not all scientists are 28 _ that what the mice are doing is 29 singing. To prove it, the researchers must show that there’s learning in volved. And, they need to __ 30 why the mice sing.

21. A. almost B. even C. never D. usually

22. A. coincidence B. evidence C. guidance D. instance

23. A. at once B. by means C. for example D. in fact

24. A. during B. inside C. through D. without

25. A. fashions B. instructions C. patterns D. styles

26. A. access B. printer C. screen D. software

27. A. call B. hear C. sing D. write

28. A. accustomed B. convinced C. involved D. qualified

29. A. actually B. obviously C. simply D. unlikely

30. A. figure out B. get about C. run across D. talk over

语法填空（时间：10分钟）

Early in the 16th century men were trying to reach Asia by traveling west from Europe. In order to find Asia they had to find a way past South America. The man who finally found the way from the Atlantic Ocean to the Pacific was Ferdinand Magellan. Magellan sailed from Seville in August, 1519 ____31____ five ships and about 280 men. Fourteen months later, after ____32____(spend) the cold winter on the coast of Patagonia, he discovered the channel ____33____ is now called Magellan Strait(海峡). In November, 1520, after many months of dangers from rocks and storms, the three ____34____(remain) ships entered the ocean on the other side of South America. They then ____35____(continue), hoping to reach Asia. But they did not see any land____36____ they reached the islands off the coast of Asia. Before they arrived at these islands, later known ____37____ the Philippines, men were dying of ____38____(starve). While they were staying in the Philippines, Magellan was killed in battle. The remaining officers then had to get back to Spain. They decided to sail round Africa. After many difficulties, one ship with eighteen men sailed into Seville three years after leaving. They were all that remained of Magellan’s expedition. ____39____, their achievement was great. They were the first men ____40____ (sail) round the world.

阅读理解（时间：20分钟）

A

The first time my eyes were opened to children's rights was when I was 15. A representative of Free the Children gave a speech at my school, sharing,