1、题目25:已知等比数列{an}中,a1=2,公比q=3,则此数列前3项和为( )
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1、题目49:Our teacher was very happy because () failed the examination.
A. somebody
B. nobody
C. anybody
D. everybody
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1、题目22:Lao She’s “Teahouse” () the changes in Chinese society over fifty years.
A. describes
B. improves
C. prepares
D. corrects
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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68:--Have you watched the new movie Jurassic World,Steven? --Not yet.I () it with my cousin this evening.
A. will watch
B. was watching
C. watched
D. have watched
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1、题目14:在等比数列{an}中,已知a7·a12=5,则a8·a9·a10·a11=( )
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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116:Because it () every day,the window is very clean.
A. cleaned
B. will clean
C. was cleaned
D. is cleaned
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1、题目23:--Three-D printing technology could be used to build a house in less than 24 hours. --It ()amazing.It’s my first time to get to know the news.
A. looks
B. smells
C. sounds
D. tastes
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1、题目33:已知集合M={x|6-3x>0},则下列各式正确的是( )
A. 3∈M
B. 1∈M
C. 4∈M
D. -1∉M
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