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刷刷题刷刷变学霸
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【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】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