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【单选题】
当船舶处于'台风袭击中'航行，应注意______。 Ⅰ、调节航速和航向，避免船舶摇摆周期与波浪周期互相一致; Ⅱ、调节航速，必要时，暂时停车，避免船首或船尾与狂浪正面撞击; Ⅲ、更改航向，避免受横浪冲击; Ⅳ、顺航船舶，如无其他原因，一般慢速前进; Ⅴ、尽量避免转头，尽可能利用抛海锚漂浮; Ⅵ、选择船上适当部位撒油，以减少破浪的冲击力量。A.
Ⅰ+Ⅱ+Ⅲ+Ⅳ
B.
Ⅰ+Ⅱ+Ⅴ+Ⅵ
C.
Ⅰ+Ⅱ+Ⅳ+Ⅴ
D.
以上全部
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【简答题】The sun rises in the east and sets in the west，so it seems as if the sun__________round the earth. A．were circling B．circles C．is circling D．be circling
【单选题】设q表示产品产量,p表示产品价格,公式∑p1q1-∑p0q1的经济意义是( )。
A.
反映产值变动的绝对额
B.
反映产品产量变动的绝对额
C.
反映由于产品价格变化而使产值变动的绝对额
D.
反映由于产品产量变化而使产值变动的绝对额
【单选题】Instead of ignoring or envying successful students, I made it my mission to _____ the mysterious causes of their success and greatness.
A.
investigate
B.
implement
C.
motivate
D.
accommodate
【单选题】Instead of ignoring or envying successful students, I made it my mission to _____ the mysterious causes of their success and greatness.
A.
discard
B.
investigate
C.
modify
D.
marshal
【单选题】Instead of ignoring or envying successful students, I made it my mission to ______ the mysterious causes of their success and greatness.
A.
implement
B.
investigate
C.
fluctuate
D.
restore
【单选题】Instead of ignoring or envying successful students, I made it my mission to _____ the mysterious causes of their success and greatness.
A.
conclude
B.
discover
C.
investigate
D.
Infer
【简答题】The sun rises in the east.
【单选题】The sun rises in the east and sets in the west, so it seems as if the sun______round the earth.
A.
were circling
B.
circles
C.
is circling
D.
be circling
【单选题】Instead of ignoring or envying successful students, I made it my mission to _____ the mysterious causes of their success and greatness.
A.
investigate
B.
enlighten
C.
fluctuate
D.
implement
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