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【单选题】
动赤道是指绝对涡度η（）
A.
大于0
B.
小于0
C.
等于0
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举报参考答案：
举一反三
【单选题】Television broadcasts are (1) to an area that is within the (2) of the sending station or its relay (中转站). (3) television relays are often placed on hills and mountains so that they can (4) a wider r...
A.
books
B.
conference
C.
newspapers
D.
press
【单选题】急流轴的左侧风速具有（），右侧风速具有（），如果流线曲率小，那么急流轴的左侧相对涡度为（），右侧相对涡度为（）
A.
反气旋性切变，气旋性切变，正，负
B.
气旋性切变，反气旋性切变，正，负
C.
气旋性切变，反气旋性切变，负，正
【单选题】Passage 18 We all know that it is possible for ordinary people to make their homes on the equator (赤道), although often they may feel uncomfortably hot there. Millions do it. But as for t...
A.
in warm air
B.
in cold air
C.
when it reaches the polar region
D.
only when the clouds are down low
【单选题】Mars Global Surveyor is the oldest of five NASA robotic devices, which is designed to find out signs that Mars once had water;and it had been taking detailed pictures of the red planet for a decade. U...
A.
its life
B.
its orbit
C.
its power
D.
its position
【单选题】急流轴的左侧风速具有（），右侧风速具有（），如果流线曲率小，那么急流轴的左侧相对涡度为（），右侧相对涡度为（）
A.
反气旋性切变，气旋性切变，正，负
B.
气旋性切变，反气旋性切变，正，负
C.
气旋性切变，反气旋性切变，负，正
【单选题】Kenya Wildlife Safari from ￡995DAY 1 LONDON/NAIROBIDaylight flight to Nairobi．On arrival, check in at the Holiday Inn Mayfair Court.DAY 2-4 SAMBURU AND TREETOPSSet off on safari, driving north, to the...
A.
traveling long distance
B.
spending nights outdoors
C.
watching animals in the wild
D.
seeing different kinds of plants
相关题目：
【单选题】Television broadcasts are (1) to an area that is within the (2) of the sending station or its relay (中转站). (3) television relays are often placed on hills and mountains so that they can (4) a wider r...
A.
books
B.
conference
C.
newspapers
D.
press
【单选题】急流轴的左侧风速具有（），右侧风速具有（），如果流线曲率小，那么急流轴的左侧相对涡度为（），右侧相对涡度为（）
A.
反气旋性切变，气旋性切变，正，负
B.
气旋性切变，反气旋性切变，正，负
C.
气旋性切变，反气旋性切变，负，正
【单选题】Passage 18 We all know that it is possible for ordinary people to make their homes on the equator (赤道), although often they may feel uncomfortably hot there. Millions do it. But as for t...
A.
in warm air
B.
in cold air
C.
when it reaches the polar region
D.
only when the clouds are down low
【单选题】Mars Global Surveyor is the oldest of five NASA robotic devices, which is designed to find out signs that Mars once had water;and it had been taking detailed pictures of the red planet for a decade. U...
A.
its life
B.
its orbit
C.
its power
D.
its position
【单选题】急流轴的左侧风速具有（），右侧风速具有（），如果流线曲率小，那么急流轴的左侧相对涡度为（），右侧相对涡度为（）
A.
反气旋性切变，气旋性切变，正，负
B.
气旋性切变，反气旋性切变，正，负
C.
气旋性切变，反气旋性切变，负，正
【单选题】Kenya Wildlife Safari from ￡995DAY 1 LONDON/NAIROBIDaylight flight to Nairobi．On arrival, check in at the Holiday Inn Mayfair Court.DAY 2-4 SAMBURU AND TREETOPSSet off on safari, driving north, to the...
A.
traveling long distance
B.
spending nights outdoors
C.
watching animals in the wild
D.
seeing different kinds of plants
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