单选题
The sharp, pointed needles of the cactus_________.
A、
are their flowers
B、
can take the place of their leaves
C、
can protect itself
D、
store water
【正确答案】
C
【答案解析】
[解析]从文章最后两句：The plant's sharp pointed needles keep animals from sucking its liquid．得知。故本题答案为C。
提交答案
关闭