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【单选题】
——What do you think of the report on the UFO? —Great!Many students were interested in it and they kept on standing_____the end of the meeting．A.
until
B.
in
C.
on
D.
about
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举一反三
【单选题】So quickly ______ that what is a possibility today may be a reality tomorrow. [ ]
A.
is science advancing
B.
science is advancing
C.
will science advance
D.
science will advance
【单选题】W.E.B. Du Bois was not only one of the founders of the National Association for the Advancement of Colored People (NAACP), but also organized First Pan African Congress in 1919.
A.
Y
B.
N
C.
NG
【单选题】As the saying goes, practice makes perfect, ______is only by using English as often as possible can you learn English well.
A.
which
B.
as
C.
that
D.
this
【单选题】在一般情况下,一个数据选择器有
A.
一个数据输入、几个数据输出和几个选择输入
B.
一个数据输入、一个数据输出和一个选择输入
C.
几个数据输入、几个数据输出和几个选择输入
D.
几个数据输入、一个数据输出和几个选择输入
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