1、题目24:y=sin4x的周期为( )
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1、题目99:--How can we live a greener life? --We should save () energy and reduce pollution.
A. no
B. less
C. more
D. most
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1、题目39:--Please () your exam papers once again before handing them in.
A. going over
B. went over
C. go over
D. to go over
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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92:() month of the year is May.
A. Two
B. The second
C. Five
D. The fifth
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1、题目84:--Look at this model ship.I made it all by () last week. --Wow,you are so smart!
A. me
B. my
C. mine
D. myself
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1、题目79:--Could you tell me () ? --Talking about festivals.
A. how they are playing
B. what they are doing
C. where they are going
D. why they are practicing
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1、题目50:
( )
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1、题目43:设a>b,c>0,则下列各式中正确的是( )
A. ac>bc
B. ac<bc
C. a-b>a-c
D. a+b>a+c
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1、题目9:已知集合A={x|3-3x>0},则下列各式正确的是()
A. 3∈A
B. 1∈A
C. 0∈A
D. -1∉A
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