26. According to the recent research, heavy coffee drinking and heart attack are not necessarily ________ and effect.
A.reason B.case C.fact D.cause
27. These chemicals may be harmful to human bodies. Use them with ________.
A. chart B. caption C. caution D. catalogue
28. Nowadays people have to pass various tests for professional ________ so that they can be qualified (使具有资格) for a well-paying job.
A. admission B. permission C. certificates D. perseverance
29. Finding information in today’s world is easy. The ________ is how you can tell if the information you get is useful or not.
A. ability B. competition C. challenge D. knowledge
30. Today a Li Ning product is purchased every ten seconds. If you go into a school or university anywhere, the _________ are you will see students in Li Ning tracksuits (运动服) with the familiar logo (标志).
A. chances B. challenges C. competitions D. catalogue
31. We should promote opening-up and reform, and construct socialism with Chinese _________.
A. competitions B. challenges C. characteristics D. captions
32. Of the seven days in a week, Saturday is said to be the most popular ________ for a wedding in some countries.
A. character B. situation C. chance D. choice
33. Anyone who wants to be successful mustn’t give up in any ___________, and should always be full of confidence.
A. contribution B. circumstances C. competitions D. challenges
34. It can’t be a(n) __________that four jewelry stores were robbed in one night.
A . coincidence B. accident C. incident D. chance
35. He finished a difficult task on his own shortly after he entered the company, so his ________ looked at him with new eyes.
A. clerks B. civilians C. citizens D. colleagues
36. A car had a head-on _____ with a truck on the highway yesterday, killing 2 and inuring 5.
A. contest B. collision C. conflict D. contrary
37. Sometimes a few words of _________ from his teacher to the one who has just failed in the experiment may encourage him to stand up.
A. compromise B. confidence C. comfort D. consultant
38. The better ________ you have of words, the better chance you have of saying exactly what you mean.
A. contribution B. master C. command D. contradiction
39. The teacher usually writes his _________ on the margin (页边空白处) of the composition.
A. comments B. words C. review D. command
40. By signing the lease (租约) we made a ________ to pay a rent of $150 a week.
A. comment B. commitment C. conception D. consensus
41. It is said that dogs will keep you _________ for as long as you want when you are feeling lonely.
A. colleague B. friend C. companion D. company
42. The hills in my hometown which used to be covered with green trees are now mostly __________.
A.empty B.blank C.vacant D.bare
43. In some countries, some people do not even have fresh water or ________ health care.
A. basic B. botanical C. brief D. bureaucratic
44. Cycling is highly _________ to people’s health and the environment.
A. bitter B. beneficial C. basic D. botanical
45. Some students often listen to music ________ classes to refresh themselves.
A. between B. among C. behind D. during
46. This new model of car is so expensive that it is _______ the reach of those with average income.
A. over B. within C. beyond D. below
47. You will not know whether it is __________ or sweet if you don’t taste it yourself.
A. boring B. cheerful C. changeable D. bitter
48. Although the _________ scientist has made his mark in the field of physics, he is sometimes absent-minded in his daily life.
A. brilliant B. casual C. bureaucratic D. civil
49. John was dismissed last week because of his __________ attitude towards his job.
A. careful B. casual C. classical D. classic
50. They are ____ investors who always make thorough investigations (调查) both on local and international markets before making an investment.
A. common B. complex C. cautious D. confident
