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【单选题】
He looked around and caught a man ____ his hand into the project of a passenger.
[ ]
A.
put
B.
to be putting
C.
to put
D.
putting
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The traditional approach ____ with complex problems is to break them down into smaller, more easily managed problems.
A.
to dealing
B.
in dealing
C.
dealing
D.
to deal
【单选题】Don’t defend him any more．It’s obvious that he ______ destroyed the fence of the garden even without apology.Don’t defend him any more. It’s obvious that he ______ destroyed the fence of the garden ev...
A.
accidentally
B.
carelessly
C.
deliberately
D.
clumsily
【单选题】—Do you know our town at all?—No, this is the first time I __________ here.
A.
was
B.
have been
C.
came
D.
am coming
【单选题】The volcanologists made their way up the volcano in spite of the continual _____ up and flowing down of lava, hoping to get near to the edge of the crater and study the eruption more closely. [ ]
A.
finding
B.
fountaining
C.
founding
D.
containing
【单选题】As the intelligence of robots increases to match ________ of humans，we may use them to expand our frontiers．As the intelligence of robots increases to match ________ of humans，we may use them to expan...
A.
it
B.
that
C.
which
D.
the
【单选题】You will never gain success________ you are fully devoted to your work.
A.
when
B.
because
C.
after
D.
unless
【单选题】All these gifts must be mailed immediately in time for Christmas. [ ]
A.
in order to have received
B.
in order to receive
C.
so as to be received
D.
so as to be receiving
【单选题】They were surrounded by the enemy, but they________at last from the village. [ ]
A.
managed escaping
B.
tried to escape
C.
managed to escape
D.
tried escaping
【单选题】After the new technique was introduced, the factory produced _______ cars in 2010 as the year before. [ ]
A.
as twice many
B.
as many twice
C.
twice as many
D.
twice as