A.about
B.of
C.for
D.to
第1题
The designing of a satellite in the heavy environment is ___an easy job.
A.by all means
B.by means of
C.by no means
D.by any means
第2题
With the development of Internet, _______ communication is done by regular mail.
A.little
B.much
C.more
D.less
第3题
Today’sweather isn’t as cold as it was yesterday ,_________?
A.wasn’t it
B.is it
C.was it
D.isn’t it
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