1、The black and white stripes of the zebra are most useful form
[A]. hunters. [B]. nocturnal predators
[C]. lions and tigers. [C]. insectivorous Vertrbrata
2、Aggressive resemblance occurs when
[A]. a predaceous attitude is assumed.
[B]. special resemblance is utilized.
[C]. an animal relies on speed.
[D]. an animal blends in with its background.
3、Special resemblance differs from general resemblance in that the animal relies on
[A]. its ability to frighten its adversary. [B]. speed.
[C]. its ability to assume an attitude. [D]. mistaken identify
4、The title below that best expresses the ides of this passage is
[A]. Cryptic coloration for Protection. [B]. How Animals Survive.
[C]. The uses of Mimicry in Nature. [D]. Resemblances of Animals.
5、Of the following which is the least common?
[A]. protective resemblance. [B]. General resemblance.
[C]. Aggressive resemblance. [D]. Special resemblance.
Vocabulary
1. cryptic 隐藏的,保护的
cryptic coloring 保护色,隐藏色
2. predaceous 食肉的,捕食其他动物的。
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