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【单选题】
They got ________ to the tiger and examined its wound ________. [ ]A.
close; close
B.
close; closely
C.
closely; close
D.
closely; closely
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【单选题】Snowden arrived at Sheremetyevo International airport on June 23, _____ he was prevented from leaving for six weeks after the U.S. canceled his passport.
A.
which
B.
where
C.
when
D.
what
【单选题】____ to sunlight for too much time will do harm to one s skin. [ ]
A.
Exposed
B.
Having exposed
C.
Being exposed
D.
After being exposed
【简答题】____是公务电话的核心,它实质上是一部由计算机软件控制的数字通信交换机,按用途可分为市话、长话和用户交换机。
【单选题】--How did he get infected? --She ____the viruses without any protection.
A.
exposed to
B.
had exposed to
C.
was exposed to
D.
had been exposed
【单选题】The motorbike is out of______and hit a tree by road.
A.
control
B.
breath
C.
danger
D.
problem
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