51. Wait till you are more ________. It's better to be sure than sorry.
A. cautious B. confident C. calm D. certain
52. The job is __________ to me because I have little experience. However, it is also rewarding.
A. challenging B. boring C. bitter D. contradictory
53. The weather here is too _______ and it can rain at any moment. Why not bring an umbrella?
A. comfortable B. consistent C. changeable D. bitter
54. With the development of West China, many technicians are _________ needed there in recent years.
A. cautiously B. casually C. badly D. barely
55. It’s believed that the two accidents are ________ related to each other.
A. closely B. close C. commonly D. deeply
56. I don’t like winter, because I hate to wear _________ clothes.
A. casual B. comfortable C. changeable D. clumsy
57. Letterboxes are much more _________ in the UK than in the US, where most people have a mailbox instead.
A. common B. normal C. ordinary D. bare
58. Many people ask the government to make laws to _________ smoking in public places.
A. ban B. benefit C. limit D. permit
59. If children were not told and shown how to __________ politely, they might grow up rough and rude like savages (野人).
A. blame B. behave C. betray D. bow
60. The old man is used to sleeping without a pillow in order to keep his back from _________.
A. bending B. bowing C. breaking D. bouncing
61. The social activities have __________ the building up of the children’s characters and the development of their personalities.
A. boycotted B. braked C. bidden D. benefited
62. Think of others first when it comes to benefits. Never _________ others for your own gains.
A. boycott B. benefit C. betray D. believe
63. His attitude to his job is rather casual. He should be to _________ for his fault.
A. bid B. blame C. bother D. cater
64. As the only entrance to the valley was __________ by fallen rocks, we couldn’t gain access to the village to rescue the trapped people.
A. blocked B. braked C. bothered D. buried
65. I'm very sorry to have _______ you with so many questions on such an occasion.
A. interrupted B. offended C. blamed D. bothered
66. The ball _____ two or three times before rolling down the slope.
A. bent B. bounced C. broke D. braked
67. We ______ all products tested on animals. It is so cruel.
A. boycott B. calculate C. block D. bury
68. The trip to Australia, originally to be made last week, was finally _________ for the lack of money.
A. boycotted B. calculated C. canceled D. cast
69. Don’t ________ away your old clothes. If you don’t need them, you can donate them to the poor.
A. carry B. waste C. spend D. cast
70. I don’t think he is a good writer; he specially writes books to ________ to low tastes.
A.blame B. cater C. cancel D.charge
71. Every year on 28th, September, many people gather in Qufu to _________ Confucius's birthday, paying their respects.
A. celebrate B. calculate C. congratulate D. welcome
72. She was complaining that the doctor was _________ too much for the treatment he was giving her.
A. spending B. offering C. costing D. charging
73. Schools ban students from bringing mobile phones, which are used to _______ in exams.
A. cheat B. boycott C. charge D. click
74. --- Julia said she sent you a birthday card yesterday. Have you got it?'
--- Oh, really! I haven't __________ my mailbox yet.
A. examined B. calculated C. tested D. checked
75. He _________ over the problem for several days before making his decision.
A. checked B. chewed C. catered D. choked