A、 serious
B、 more serious
C、 most serious
D、 the most serious
答案:B
A、 serious
B、 more serious
C、 most serious
D、 the most serious
答案:B
A. planted
B. plants
C. will plant
D. is planting
A. 奇函数非偶函数
B. 偶函数非奇函数
C. 奇函数且偶函数
D. 非奇非偶函数
A. To;of
B. At;at
C. To;in
D. In;about
A. 2
B. 3
C. 4
D. 1
A. 3∈M
B. 1∈M
C. 4∈M
D. -1∉M
A. How slow
B. How fast
C. What a slow
D. What a fast
A. don't
B. didn't
C. wouldn't
D. won't
A. with
B. of
C. from
D. to
A. 0个
B. 1个
C. 2个
D. 3个
A. ac>bc
B. ac<bc
C. a-b>a-c
D. a+b>a+c