1、题目62:Earthquakes always happen () ,so it is difficult to know when they come.
A. hopefully
B. suddenly
C. usually
D. luckily
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1、题目108:We planned to meet at 10:30 at the station last Sunday,but Bob didn＇t () until 12:00.
A. turn up
B. give up
C. stay up
D. grow up
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1、题目11:Air pollution has become () than ever before.We must do something to stop it.
A. serious
B. more serious
C. most serious
D. the most serious
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1、题目71:--Do you have any plans for this Sunday? --I＇m not sure.I () go to the countryside to see my grandmother.
A. can
B. must
C. may
D. need
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1、题目11:设函数f( )=2x-5,g(x+1)=f( ),则g( )的表达式为( )
A. 2x+1
B. 2x-3
C. 2x-5
D. 2x-7
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1、题目77:-- () will the invitations be sent to our guests? --In three days.
A. How often
B. How soon
C. How long
D. How far
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1、题目61:二次函数y=x2+bx+c的图像的对称轴是x=-2,则有( )
A. f(-4)<f(-2)<f(-1)
B. f(-2)<f(-1)<f(-4)
C. f(-2)<f(-4)<f(-1)
D. f(-1)<f(-2)<f(-4)
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1、题目22:下列四组对象,不能够组成集合的是( )
A. 某班所有高个子的学生
B. 所有的正整数
C. 相反数等于它自身的实数
D. 倒数等于它自身的实数
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1、题目29:已知正项等比数列{an}中,a1=1,a3=4,则此数列前3项和为( )
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1、题目21:I fell off the bike on my way to school. (),I wasn＇t hurt.
A. Luckily
B. Suddenly
C. Politely
D. Recently
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