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【单选题】
. One scientific theory of the origin of the universe is the much misunderstood big bang theoryA.
. Physicists now believe they can construct what happened in the universe during the first three minutes of its beginning
B.
Many scientists believe that, during microwave experiments, we can actually “hear” echoes of the big bang.
C.
The popular notion is that the big bang was a huge explosion in space, but this is far too simple a description
D.
. The big bang theory, if accepted, convinces us that the universe was not always as it is now
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【单选题】Do you know if ____ back next week? If he _____back, please let me know.
A.
he comes, will come
B.
will he come, comes
C.
he will come, comes
【单选题】— Does Ted tell you ____ he will come next week? — No, he doesn't. But ____ he comes, I'll give you a ring. [ ]
A.
if; whether
B.
whether; whether
C.
if; if
D.
if; until
【简答题】What is LEED?A. LEED is the abbreviation of "Leadship in Energy and Environmental Design"；and it is the most widely used green building rating system in the world.
【简答题】口风琴有几种吹奏姿势?
【单选题】If he _______ here next week, I _______ there. [ ]
A.
will come, will to
B.
will come, to
C.
comes, will go
D.
comes, go
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