北邮网院 大学英语3-阶段作业1
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一、单项选择题（共10道小题，共100.0分）
1.
I prefer to work in an ___________ environment where there are good libraries and cultural
facilities.
2.
1.urban
2.rural
3.suburb
4.area
3.
In a time of social reform, people's state of mind tends to keep ________ with the rapid changes of society.
4.
1.step
2.progress
3.pace
4.touch
5.
(错误)
6.
After he had been asked the same question many times, his answer became _________ .
7.
1.machine
2.mechanics
3.mechanic
4.mechanical
8.
Facing the ________ situation the sales manager looked________ .
9.
1.puzzling, puzzled
2.puzzling, puzzling
3.puzzled, puzzled
4.puzzled, puzzling
10.
All the signs _________ an early resumption of the battle.
11.
1.point at
2.point
3.point out
4.point to
12.
He seems to be _________ enough to climb to the mountain top in an hour.
13.
1.radiant
2.conscientious
3.conspicuous
4.energetic
14.
The manager thought he was a________ person and told him all about the new plan.
15.
1.confident
2.famous
3.reliable
4.dependent
16.
The new product is on________ before it is put on the market.
17.
1.test
2.trial
3.experiment
4.inspection
18.
We must strengthen our________ on the western border.
19.
1.defences
2.defects
3.defeats
4.defendants
20.
Copper ________ electricity.
21.
1.cracks
2.equips
3.strikes
4.conducts