—Hey, Mary. Is the film ________?
— Hi, Tom. I think the film is ________.
A:worth seeing; worthwhile to be seen
B:worthy to be seen; worthwhile to see
C:worthwhile to see; worth seeing
D:worth seeing; worthy of being seen
下列各句中,没有语病的一项是( )
东北地区人数最多的少数民族____ .
已知f(x)=x2﹣2|x|(x∈R).
(Ⅰ)若方程f(x)=kx有三个解,试求实数k的取值范围;
(Ⅱ)求m,n(m<n),使函数f(x)的定义域与值域均为m,n.
周期
ⅠA
ⅡA
ⅢA
ⅣA
ⅤA
ⅥA
ⅦA
0
2
①
②
③
④
3
⑤
⑥
⑦
⑧
⑨
⑩