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【单选题】
锚设备是操纵船舶的辅助设备,在_____的情况下要用到锚。A.
离码头②避台风③紧急减杀船速④船舶定速
B.
①②③
C.
①③④
D.
②③④
E.
①②④
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举一反三
【单选题】Suppose roses are currently selling for $30 per dozen, but the equilibrium price of roses is $20 per dozen. We would expect a
A.
shortage to exist and the market price of roses to increase.
B.
shortage to exist and the market price of roses to decrease.
C.
surplus to exist and the market price of roses to increase.
D.
surplus to exist and the market price of roses to decrease.
【单选题】“ T o impose legal measures and moral criticism on domestic violence” is no more instructive than “ domestic violence ” . _______
A.
True
B.
False
【简答题】In the following sentences, the underlined word "impose" has similar meaning except for __________. (1.0分)A. The law should impose fine on companies
that use energy wastefully. B. Parents should not i...
【简答题】温室气体的排放加速了对臭氧层的破坏。
【简答题】电容和电感为什么能起滤波作用?它们在滤波电路中应如何与R L 连接?
【单选题】The Wars of the Roses were a series of dynastic wars for ().
A.
the throne of England
B.
red roses
C.
white roses
D.
pink roses
【简答题】试述开关电容滤波电路的原理和特点。
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