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【简答题】
距离保护是反应( )的距离,并根据距离的远近确定( )的一种保护。
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举一反三
【单选题】To get a better view of the stage, ____________________.
A.
our seats had to be changed.
B.
our seats were changed
C.
our seats are changed
D.
we had to change our seats.
【单选题】Though we don't know what is discussed, yet we can feel the topic _______. [ ]
A.
had changed
B.
will change
C.
was changed
D.
has been changed
【单选题】Had we not changed our reservations, we _______ in the crash.
A.
were all killed
B.
had all killed
C.
should all be killed
D.
should all have been killed
【单选题】—What do you think of the meal we have just had? —It is well worth ______ is changed for it.
A.
that
B.
what
C.
which
D.
how many
【单选题】We hadn’t seen each other for years and he had changed a great deal, so I didn’t _______ him at first.
A.
realize
B.
repeat
C.
know
D.
rec ognize
【单选题】To get a better view of the stage, _________________ .
A.
our seats had to be changed
B.
we had to change our seats
C.
our seats were changed
D.
our seats will be changed by us
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