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【单选题】
FX系列PLC是（）公司的产品A.
西德西门子
B.
日本三菱
C.
美国HONEWELL
D.
日本富士
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举一反三
【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】I don't like Jackie. ,I don't like action movies. [ ]
A.
In fact
B.
At fact .
C.
On fact
D.
With fact
【单选题】聆听的最高层面是:( )
A.
听懂对方想说没有说出来，要你说出来的话
B.
听懂对方为什么说这句话以及为什么此时此地说这句话
C.
听懂对方想说没有说出来的话
D.
听懂对方说的话
【单选题】He looks rich. _____, he is very poor. [ ]
A.
In the fact
B.
In fact
C.
At the fact
D.
At fact
【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
【单选题】The committee leader's explanation sounds ______ , but the members are not sure they believe it.
A.
patriotic
B.
plausible
C.
hypothetic
D.
permissible
【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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