[单项选择]Very long，complex expressions in program are difficult to write correctly and difficult to（）.
A. defend
B. detect
C. default
D. debug

[单项选择]Very long，complex expressions in program are difficult to write correctly and difficult to（）
A. defend
B. detect
C. default
D. debug

[单项选择]Very long, complex expressions in program are difficult to write correctly and difficult to ______.
A. defend
B. detect
C. default
D. debug

[单项选择]Small moments sometimes last a very long time. And a few words—though they mean little at the time to the people who say them—can have enormous power.
A. 落花有意，流水无情。
B. 有些瞬间虽然倏忽即逝，却常常令人久久不能忘怀。同样，有些话虽然对说的人来说算不了什么，但是对听的人来说却具有深远的影响。
C. 小的片刻有时持续很长时间。而且很少的几个字在当时对于说这些字的人而言没有什么，最终能有很大的力量。
D. 有些瞬间能持续久远。有些只言片语却意义非凡。

[单项选择]Small. moments sometimes （）a very long time.
A. keep
B. have
C. last
D. go

[单项选择]

Passage Five
Once upon a time (not so very long ago, either!) industrial goods were made to last forever. If you bought a ear or a stove, it was a once-in-a-lifetime investment(投资). You paid good money for it, and you took care of it. Nowadays industry has persuaded us that products shouldn’t last a long time. It’s cheaper to throw them away than it is to repair them. This has led directly to the "throw-away society" which is a tremendous waste of the earth’s resources.
Just think of the cars that are traded in daily, just because they are out of style. Think of the expensive packaging material that is thrown away every time a new object is bought. And we consumers have to pay for that material! Our industrial society has turned us into spoiled children. This wastefulness has got ten us into the mess (困境) we are in now. When we have no resources left, then we’ll start to take care of what we have. But why can’t we act
A. they should change their taste
B. it is difficult to find a repair shop
C. they will spend less money buying a new object than repairing an old one
D. industrial products will be out of style too soon

[单项选择]Then came a very long ______ for my mother.
A. heaviness
B. healthy
C. illness
D. disease

[单项选择](As is known) to (all), sometimes it is very difficult (to tell) the difference between technical English (from everyday English).
A. As is known
B. all
C. to tell
D. from everyday English

[单项选择]The document's________ wording makes it very difficult to follow.
A. ingenious
B. ambitious
C. notorious
D. ambiguous

[单项选择]Many foreigners in England have considerable difficulty making themselves ______.
A. to understand
B. to be understood
C. understood
D. understand

[单项选择]Long, long ago there were very ______ people in this place, but now it has become a town with 5,000,000 population.
A. few
B. little
C. a few
D. a little

[单项选择]The laser is a very useful means for long-distance communications, the great accuracy in the direction of its beams ______ effective use of small amount of power.
A. makes
B. making
C. made
D. to make

[单项选择]The passage mentions all of the following as difficulties that self-employed women may encounter EXCEPT ______.
A. discrimination form consumers and suppliers
B. discrimination from financial institutions
C. problems in obtaining good employees
D. problems in obtaining government assistance

[单项选择]The work to stamp out smallpox was made more difficult by______.