[单项选择]Arctic explorers may catch colds when ______.


A. they are working in the isolated arctic regions
B. they are writing reports in terribly cold weather
C. they. are free from work in the isolated arctic regions
D. they are coming into touch again with the outside world

[单项选择]Arctic explorers may catch colds when ______.
A. they are working in the isolated arctic regions
B. they are writing reports in terribly cold weather
C. they. are free from work in the isolated arctic regions
D. they are coming into touch again with the outside world

[单项选择]When a third party begins to catch people's attention, the major parties will ______

[单项选择]

Passage Four
When I began reading Catch -22, I thought it was a farcical satire on life in the United States Army Air Force. Later I believed that Mr. Heller’s target was modern war and all those who are responsible for waging it. Still later it seemed that he was attacking social organization and anyone who derives power from it. But by the end of the book it had become plain to me that it is——no other phrase will do——the human condition itself which is the object of Mr. Heller’s outraged fury and disgust.
A reviewer must always keep an anxious eye on the state of his currency. If he announces too many masterpieces he risks inflation (though it is sometimes forgotten by some of us that the cowardice of perpetual crabbing (挑剔) receives its own kind of punishment). It does not seem many weeks since I was proclaiming that Malcolm Lowry’s Under the Volcano is one of the great English novels of the century; and
A. a very great English novel
B. an accurate portrayal of life in wartime
C. an excellent piece of satire
D. the work of a neglected author

[单项选择]Put on more clothes, ______ you may catch cold.
A. and
B. or
C. then
D. so

[单项选择]______，she may not catch up with her sister Lis
A. a．Hard though she worksB．Hard although she worksC．Hard works sheD．Hard even if she works

[单项选择]Which of the following may be observed when looking at the brickwork of a house
A. Sunshine causes its color to seem soothing.
B. The natural color is emphasized when the sun goes in.
C. The bricks appear to be brighter in color in sunlight.
D. Painted bricks are very intense in coloring.

[单项选择]Price may be no consideration at all when customers buy ______.
A. unsought goods
B. specialty goods
C. shopping goods
D. consumer goods

[单项选择]You may be able to claim extra money when

[单项选择]When traveling, it is possible that you may be advised to take the travelers' checks, which provide a secure ______ to carrying your money in cash.
A. selection
B. preference
C. alternative
D. substitute

[单项选择]One may keep drinking when ______.


A. he wants to be more confident
B. he wants to perform better
C. he is at ease
D. he is under pressure