1、题目47:
( )
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1、题目12:己知集合A={x|x是有理数},则下列选项错误的是( )
A. 0∈A
B. 3/4∈A
C. {0}包含于A
D. -π∈A
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1、题目123:In order () for the meeting,my sister forced herself to get up early this morning
A. not to be late
B. not being late
C. to be late
D. being late
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1、题目127:--()people are there in your family? --Three.
A. How often
B. How long
C. How many
D. How much
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1、题目54:y=cos(x/2)的周期为( )
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1、题目110:--Do you have any plans for tonight? --Yes,I () at the new Italian restaurant in town.
A. eat
B. have eaten
C. ate
D. am going to eat
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1、题目75:--Do you need more time to complete the task? --Yes.Another ten days () enough.
A. is
B. was
C. are
D. were
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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8:设a,b∈R,集合{1,a+b,a}={0,b,b/a},则b-a等于( )
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