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【单选题】
踏板式人力控制的图形符号是 。A.
A图
B.
B图
C.
C图
D.
D图
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【简答题】The roads have to be ______ (wide) so that the problems of traffic jam can be solved.
【单选题】Passage 1Traffic jam and cities, it seems, go hand in hand. Everyone complains about being stuck in traffic; but, like the weather, no one seems to do anything about it. In particular, traffic enginee...
A.
traffic jam and weather are the two factors pring the development of the big city
B.
traffic jam seems to be very difficult to deal with
C.
if traffic engineers try their best, traffic jam can be solved
D.
public officials are always criticized for misusing their power
【简答题】图 的完全关联矩阵为___________________。
【简答题】测量表面粗糙度时,规定取样长度的目的是为了限制和减弱 对测量结果的影响。
【单选题】Passage 1Traffic jam and cities, it seems, go hand in hand. Everyone complains about being stuck in traffic; but, like the weather, no one seems to do anything about it. In particular, traffic enginee...
A.
California is as crowded and successful as San Francisco.
B.
The traffic jam in San Francisco has resulted in the capital becoming empty.
C.
The traffic jam level in Jakarta is lower than that in the US.
D.
Traffic jam has caused terrible bad effects in cities such as Bangkok and Lagos.
【单选题】Passage 1Traffic jam and cities, it seems, go hand in hand. Everyone complains about being stuck in traffic; but, like the weather, no one seems to do anything about it. In particular, traffic enginee...
A.
In cities, traffic jam is unavoidable.
B.
Traffic jam is both a sign of failure and a sign of success.
C.
Traffic jam is the consequence of successful cities.
D.
For a successful city, traffic jam is not unprable.
【单选题】It is reported that China is developing ________ emergency plan to solve ________ traffic jam cr in Beijing. [ ]
A.
the; the
B.
an; /
C.
an; the
D.
/; the
【单选题】What kind of problem are they having?
A.
A traffic jam.
B.
A paper jam.
C.
A broken LCD display.
D.
They are late for the meeting.
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