题目内容
. When they got there, they found the children suffering from the disease were food and water supplies badly.
A. in want of B. by means of C. at the risk of D. in the hope of
A
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. When they got there, they found the children suffering from the disease were food and water supplies badly.
A. in want of B. by means of C. at the risk of D. in the hope of
A
Some mammals migrate（迁徒）. One of these is the caribou（驯鹿）. They travel to the tundra（苔原）every summer to eat the rich grasses that grow there. When the weather becomes cooler, they migrate to the warmer forests and spend the winter there. Another mammal that migrates is the humpback whale. They spend the winter in Hawaii, and the summer in the Arctic（北极的）waters. They travel to the Arctic to eat millions of small shrimp（虾）.