1、题目27:y=sin(2x+π/3)的周期为( )
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1、题目4:
( )
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1、题目96:-- () my surprise,Jin Ming was chosen into our school football team. --Congratulations.He did well _____ playing football when he was very young.I hope he＇ll be the best player in our school.
A. To;of
B. At;at
C. To;in
D. In;about
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1、题目5:I often go on holiday with my parents () summer.
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1、题目47:There are lots of () that students have to follow in school.
A. exercises
B. problems
C. skills
D. rules
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1、题目35:Martin was so busy () the old that he gave up his part-time job.
A. helping
B. helped
C. to help
D. help
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1、题目49:等差数列{an}的前3项和为15,且a1=2,则a2=( )
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1、题目10:设集合M={x|-4<x<3},N={x|x≤2},则M∪N=( )
A. (-4,3)
B. (-4,2]
C. (-∞,3)
D. (-∞,2]
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1、题目46:--How can I get some () about the 2016 Olympic Games? --Why not search the Internet?
A. information
B. experience
C. practice
D. success
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1、题目48:The Belt and Road Initiative will help China improve the () with those related
countries,especially Pakistan.
A. relationship
B. agreement
C. environment
D. investment
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