A、 3∈A
B、 1∈A
C、 0∈A
D、 -1∉A
答案:C
A、 3∈A
B、 1∈A
C、 0∈A
D、 -1∉A
答案:C
A. told
B. is told
C. will tell
D. was going to tell
A. open
B. to open
C. opened
D. opening
A. is
B. are
C. were
D. /
A. {x|-2<x<2}
B. {x|x>2或x<-2}
C. {x|-2≤x<2}
D. {x|x≥2或x<-2}
A. 5个
B. 6个
C. 7个
D. 8个
A. 8
B. 4
C. 2
D. 1
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)
A. So am I
B. Neither am I
C. Neither I am
D. So I am
A. me
B. my
C. mine
D. myself
A. good
B. better
C. best
D. the best