China has long been a leader in the field of genetic research ________ improving agriculture.
发布时间:2021-07-08
A.aim to
B.aiming on
C.aimed at
D.aims with
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A.stands up
B.looks out
C.sticks out
D.wipes out
开始考试点击查看答案 - 2The boy should be punished. You shouldn't let him ______ cheating in the exam.
A.keep away from
B.keep away with
C.get away from
D.get away with
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B.abandon
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A.is filled
B.full of
C.is filled with
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A.tried on
B.decided on
C.carried on
D.taken on
开始考试点击查看答案 - 6________, I saw and old friend of mine, whom I haven't seen for years.
A.Turning around
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开始考试点击查看答案 - 7Once you________ it, it's a piece of cake! It's nothing to worry about.
A.watch out for
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