2. 外语
  3. A. The Voyage Back B. An Arctic Summer C. Feeding Habits D. At the Breeding Grounds E. The Move South F. Mating A. small shri

A. The Voyage Back B. An Arctic Summer C. Feeding Habits D. At the Breeding Grounds E. The Move South F. Mating A. small shri

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问题 A. The Voyage Back
B. An Arctic Summer
C. Feeding Habits
D. At the Breeding Grounds
E. The Move South
F. Mating
A. small shrimp-like animals called amphipods．
B. protects the whale in Arctic waters.
C. increase the circulation of its blood.
D. two males and one female.
E. leaves its Arctic feeding grounds,
F. the surface of the water by a whale "midwife".
选项
答案B
解析 句意：一层近六英寸厚的鲸脂保护着灰鲸在北极冰水中生存。类似表述见第一段倒数第二句。
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