按合同约定的券种、数量取得债券质权，并在回购期间拥有债券质权，这是全国银行间市场式质

A.Low 1002 HPA

B.Low 1045 HPA

C.High 1002 HPA

D.High 1045 HPA

Which type of front forms when a cold front overtakes and forces a warm front upwards ().

A.A cold front

B.An occluded front

C.A warm front

D.A stationary front

A.GL WNG

B.GEN SYN

C.STM WNG

D.T Y WNG

Which of the following statements concerning frontal movements is TRUE ________．

A.The temperature rises after a cold front passes

B.The barometric pressure rises when a warm front passes

C.A cold front generally passes faster than a warm front

D.A warm front usually has more violent weather associated with it than a cold front

The warm front is usually lifted up from the surface by ().

A.the cold front

B.heavy wind

C.high pressure

D.hurricane

Where did the cold front come from？

A．Oklahoma.

B．Missouri.

C．Gulf of Mexico.

D．Canada.

After the passage of a cold front the visibility ______.

A.does not change

B.improves rapidly

C.improves only slightly

D.becomes poor