A、 ac>bc
B、 ac<bc
C、 a-b>a-c
D、 a+b>a+c
答案:A
A、 ac>bc
B、 ac<bc
C、 a-b>a-c
D、 a+b>a+c
答案:A
A. 8
B. 4
C. 2
D. 1
A. relationship
B. agreement
C. environment
D. investment
A. may
B. must
C. will
D. can
A. 所有大于2的整数
B. 等于2的数
C. 接近于2的数
D. 不等于2的偶数
A. interesting
B. more interesting
C. the most interesting
D. most interesting
A. moves
B. moved
C. is moved
D. was moved
A. always
B. seldom
C. often
D. usually
A. exercises
B. problems
C. skills
D. rules
A. many cheaper and quicker
B. very cheaper and quicker
C. more cheaper and quicker
D. much cheaper and quicker
A. waited for
B. handed in
C. agreed with
D. knocked at