在下列各題A、B、C、D四個(gè)選項(xiàng)中選擇一個(gè)能填入題干空白處的最佳答案。

　　21. On April 26, 2017, China’s first homemade aircraft carrier (航空母艦) hit the water in Dalian, Liaoning. It is ______ largest and best ship China has ever built. And it was ______ great success.

　　A. a; / B. the; a C. a; a D. the; /

　　22.---How kind it was _____ you to look after the dog for me while I was away?

　　---You’re welcome. It’s necessary _____ us to help each other any time.

　　A. of; for B. of; of C. for; of D. for; for

　　23. The physics teacher asked us to get _________ to him and watch _______.

　　A. close; close B. closely; close C. close; closely D. closely; closely

　　24. —Did your brother _______ the competition yesterday? —Yes, but he only finished _______.

　　A. take part; fifth B. join; five C. join in; five D. join; fifth

　　25. So many people lived in the small room that there was ______for the desk.

　　A. no place left B. not place left C. no place leave D. not any place living

　　26. — ________good information! — I have never heard ________ wonderful news.

　　A. What a; such a B. How; so C. What; such D. How; so a

　　27. Mr. Wu often spends lots of time ______ difficult problems______ us.

　　A. to explain; for B. explaining; for C. to explain; to D. explaining; to

　　28. —If I work hard at my lessons from now on, can I do well in them? —Sure. ___________.

　　A. All rivers run into sea B. Every day is not Sunday

　　C. Better late than never D. The early bird catches the worm

　　29. His aunt wanted to have him ______ the radio, but he had had it ______ already.

　　A. repair, repair B. to repair, repair C. repaired, to repair D. repair, repaired

　　30. --- What did you say to Li Wei just now? --- I asked him _________.

　　A. where did he come from B. what he had done the day before

　　C. what was he doing D. when would he leave

　　31. Do you feel like_______ to a film or would you like_______ at home?

　　A. to go; stay B. going; staying C. going; stay D. going; to stay

　　32.He provides some money _______ the poor girl_______ selling vegetables.

　　A. with;in B. with; by C. for;in D. for;by

　　33.---I hear that the old man has given up_______. ---Yes, he has already given_______.

　　A. drinking; it up B. to drink; up it C. drinking; up it D. to drink; it up

　　34. -- How do you like the robot you bought last week? -- ______. Life has become much easier now.

　　A. It couldn’t be better B. Nobody can do a worse job

　　C. I must complain about it D. It’s out of control

　　35. Jack seems ________than you _______ready for the exam.

　　A. busy, to get B. much busier, getting C. busier, to get D. more busier, getting

　　三、完形填空(共15小題;每小題1分，計(jì)15分)

　　閱讀下列短文，從文后各題所給的四個(gè)選項(xiàng)中選出一個(gè)最佳答案。

　　Jim and his sister May walked in the street, and then they noticed a pet store. It was a very small pet store that didn’t have many ___36___. The owner of the shop, Mr. Smith, greeted Jim and May when they ___37___. May said, "We would like to buy a dog." "Ah, well, our shop is not very big," Mr. Smith told her. "So we only have two dogs to choose ___38___."

　　They asked Mr. Smith to show them the dogs. Mr. Smith took them to see the two dogs. One was a big Bulldog named Buster. The other was a tiny Chihuahua named Teacup. May wanted Teacup, ___39__ Jim wanted Buster. They walked outside to ___40___. They couldn’t agree ___41___ a dog. May ___42___ they race home for it. The one who won the race could choose the dog.

　　Jim agreed, and then told May her shoelace was loose. When May ___43___, he ran off to get a head start. Jim ran as ___44___ as he could because he really wanted that Bulldog. When he looked back, he found May was so far behind that he couldn’t even see her. Jim finally got home. He was ___45___ but happy. He knew he was the ___46___. May arrived a few minutes later. She congratulated him and they ___47___ the pet store together. However, when they arrived they only saw Teacup. They asked Mr. Smith where Buster was.

　　Mr. Smith gave them a(n) ___48___ that a few minutes after May and Jim left, two boys walked in and bought the Bulldog.

　　Jim looked at May, and she held ___49___ a smile. Jim signed and turned back to Mr. Smith.

　　"Sometimes you win the ___50___, but not the prize!" Jim smiled sadly. "We'll take the Chihuahua,

　　please."

　　36. A. dollar B. goods C. animals D. foods

　　37. A. smiled B. talked C. shouted D. entered

　　38. A. from B. in C. by D. over

　　39. A. unless B. if C. but D. so

　　40. A. quarrel B. struggle C. discuss D. fight

　　41. A. on B. with C. to D. for

　　42. A. said B. thought C. suggested D. asked

　　43. A. looked up B. looked down C. set off D. sat down

　　44. A. strangely B. hard C. harder D. happily

　　45. A. excited B. tired C. surprised D. disappointed

　　46. A. ruler B. brother C. loser D. winner

　　47. A. watched over B. looked for C. returned to D. broke into

　　48. A. lie B. explanation C. suggestion D. idea

　　49. A. out B. on C. up D. back

　　50. A. word B. world C. praise D. race