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【单选题】
How can I ever concentrate if you_________ continually _________ me with silly questions?A.
have... interrupted
B.
had... interrupted
C.
are... interrupting
D.
were... interrupting
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举一反三
【单选题】矛盾同一性在事物发展中的作用是( )。
A.
调和矛盾双方的对立
B.
规定事物向自己的对立面转化的基本趋势
C.
使矛盾双方都发生变化
D.
提供矛盾双方得以存在和发展的条件
【单选题】Ben looks rich. _______, he is very poor. [ ]
A.
In the fact
B.
At the fact
C.
In fact
D.
at fact
【单选题】He looks rich. _____, he is very poor. [ ]
A.
In the fact
B.
In fact
C.
At the fact
D.
At fact
【简答题】矛盾同一性在事物发展中的作用是（ ）。
【单选题】The boy looks stupid, but _____ he is smart. [ ]
A.
in a fact
B.
as a fact
C.
in a matter of fact
D.
as a matter of fact
【简答题】某压力测量系统由压电式压力传感器-电荷放大器-记录仪组成。若压力传感器灵敏度为10PC/kPa，电荷放大器的灵敏度为0.5V/PC，记录仪的灵敏度为20mm/V，则系统总灵敏度为 。
【单选题】From the third paragraph of the passage, we can conclude that young s tend to belie, that certain types of clothing can ______.
A.
change people’s conservative attitudes toward their lifestyle
B.
help young people make friends with the opposite
C.
make them competitive in the job market
D.
help them achieve success in their interpersonal relationships
【简答题】某压电传感器灵敏度 S1=200nc/Mpa,将它与增益为 1 mV/nc 的电荷放大器相连, 放大器输出接到一个灵敏度为 2mm/V 的笔式记录仪上,试计算这个系统的总灵敏 度为多大?当压力变化为 30Mpa 时,记录笔在记录纸上偏移量是多少?
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