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【单选题】
各种二位三通阀的逻辑符号如图所示,其中图(a)是( )。A.
气控二位三通阀
B.
三通电磁阀
C.
机械动作二位三通阀
D.
手动控制二位三通阀
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【单选题】Services offered by Factors include the following, except ( ).
A.
receivables ledgering
B.
technical assistance
C.
collection of receivables
D.
protection against bad debts
【单选题】Scott ___________ basketball when the rainstorm came.
A.
played
B.
plays
C.
was playing
【单选题】In the following statements, which one means “The rainstorm caused a flood yesterday in southern part of China.”?
A.
The rainstorm resulted from a flood yesterday in southern part of China.
B.
The rainstorm resulted in a flood yesterday in southern part of China.
C.
Due to the flood, there was a rainstorm yesterday in southern part of China.
D.
The rainstorm was caused by a flood yesterday in southern part of China.
【单选题】The rainstorm has damaged the crops. The loss has not yet been _________accurately, but it is believed to be well beyond a million dollars.
A.
considered
B.
assessed
C.
explored
D.
calculated
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