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【简答题】A．Because the hot air has to reach a certain temperature. B．Because the house is very big. C．Because termites try to escape by hiding in wooden beams. D．Because termites may survive for a full six hou...
【单选题】Saying that a certain gift is very specialto someone is in presenting gifts in Western countries.
A.
very rare
B.
a polite formula
【简答题】在 Excel2010 中,如果同时打开了两个工作簿,单 击 “关闭”按钮会将( )工作 簿 关闭。 A 两个 B 一个 C 打开的那个 D 最小化的那个
【简答题】下列说法正确的是 A液体不能承受拉力，也不能承受压力； B液体不能承受拉力，但能承受压力； C液体能承受拉力，但不能承受压力； D液体能承受拉力，也能承受压力。
【单选题】Some students find certain grammar points and structures very difficult; _____, teachers need a reliable source of practice material to get these points across effectively. [ ]
A.
however
B.
as a result
C.
even so
D.
what’s more
【单选题】Philosophical problems arise when people ask questions that, though very , have certain characteristics in common.
A.
diverse
B.
relevant
C.
abstract
D.
consistent
【单选题】She was very interested in the work of certain charities, and made a regular _______ to them.
A.
tribe
B.
attribute
C.
contribution
D.
tribute
【单选题】I really don’t know for certain____ they discussed.this important event very secretly.
A.
where was it that
B.
where it was that
C.
where that
D.
it was where that
【单选题】The weather condition for a certain place or country will very likely vary every year.
A.
Y
B.
N
C.
NG
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