7.Consuming the equal amount of energy as a slug does, a mouse can travel 12 times as long as a slug.
8.A shark finds its prey by feeling the vibrations of a struggling prey.
9.According to the passage, collagen fibers can be compared to the string of a bow for both of them store energy when stretched.
10.When the shark detects an important food source, some fantastic involuntary changes take place.
1.B
可以将答案定位在小标题Moving to Survive下第二段的前两句话,Like the shark, most animals use movement to find food. They also use locomotion to escape enemies, find a mate, and explore now territories。
2.B
题干考查汽车、火箭和潜艇的例子是为了说明可以使人类到达任何环境,其中的examples of automobiles, rockets and submarines是关键词,可以将答案定位在文章小标题Moving to Survive下这句话,Humans have the added advantage of using their various inventions to move about in just about any kind of environment. Automobiles, rockets, and submarines transport humans from deep oceans to as far away as the moon。
3.C
本题考查鲨鱼在水中快速游动的关键是在皮肤。其中的key是关键词,可以将答案定位在小标题Skin Is the Key下首段的第一句话,The biologists discovered that the skin of the shark is the key to the animals high efficiency in swimming through the water,与本题句子完全一致,所以直接选择C即可。
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