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【单选题】
测速发电机是一种测量转速的信号元件,它将输入的机械转速变换为电压信号输出,且( )。A.
输出与输入成正比关系
B.
输出与输入成反比关系
C.
输出与输入成正比关系，输出特性具有快速响应及高灵敏度
D.
输出与输入成正比关系，输出频率与输入成正比关系
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【单选题】I really am not qualified to ()the safety or lack of safety in drinking this water.
A.
valuate
B.
measure
C.
evaluate
D.
vaulte
【简答题】A．calculating B．supposing C．estimating D．regarding
【单选题】Regarding insurance, the ______ is for 110% of the invoice value of the goods that a manufacturer wants to export.
A.
amount
B.
cover
C.
insurance
D.
premium
【单选题】According to the factory safety rules, all accidents _____ be reported to the safety officer.
A.
may
B.
can
C.
would
D.
shall
【简答题】A．regards B．in relation C．with regard D．regarding
【单选题】The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word ()
A.
Mayday
B.
Pan
C.
Safety
D.
Interco
【简答题】[A] regarding [B] reflecting [C] revealing [D] representing
【简答题】Which of the following statements regarding time of shipment is both clear and flexible? （ ）
【单选题】Food Safety and Foodborne Illnesses Food safety is an increasingly important public health issue. Governments all over the world are intensifying their efforts to improve food safety. These efforts ar...
A.
to
B.
against
C.
with
D.
towards
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