A、 {x|-2<x<2}
B、 {x|x>2或x<-2}
C、 {x|-2≤x<2}
D、 {x|x≥2或x<-2}
答案:B
A、 {x|-2<x<2}
B、 {x|x>2或x<-2}
C、 {x|-2≤x<2}
D、 {x|x≥2或x<-2}
答案:B
A. though
B. before
C. because
D. since
A. describes
B. improves
C. prepares
D. corrects
A. many
B. enough
C. few
D. little
A. not to be late
B. not being late
C. to be late
D. being late
A. How slow
B. How fast
C. What a slow
D. What a fast
A. 15
B. 16
C. 14
D. 13
A. can
B. may
C. need
D. must
A. a
B. an
C. the
D. /
A. may
B. must
C. will
D. can
A. which
B. when
C. whether
D. since