单项选择题

A.Stratocumulus clouds or strange birdsB.Rain and incre……

What is the first visible indication of the presence of a tropical cyclone or hurricane（）.

A.Stratocumulus clouds or strange birds
B.Rain and increasing winds
C.An exceptionally long swell
D.Dark clouds and the“bar”of the storm

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热门试题

单项选择题Two well-developed high pressure areas may be separated by a（）.

A.Hill of low pressure
B.Trough of low pressure
C.Valley of low pressure
D.Ridge of low pressure

单项选择题Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.

A.Hurricane
B.Tropical disturbance
C.Tropical depression
D.Cyclone

单项选择题The wind is（）and decreasing.

A.anticlockwise rotating
B.anticlock rotating
C.clockwise rotating
D.clock rotating

单项选择题The strong wind will make us（）here for some days.

A.To stay
B.Staying
C.Stay
D.Stayed

单项选择题The southeast trade winds actually blow toward the（）.

A.Southeast
B.South
C.East
D.Northwest