题目内容

Every morning, Allie wakes up and accompanies her friend to the____(厕所) .

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Jennifer Hurley, an animal researcher at the Long Marine Lab in Santa Cruz, California, is training two sea lions to carry video cameras on their backs to record the natural behavior of ____(鲸鱼) .

For five years, families help the monkeys ____(适应) a human environment, so the monkeys will trust and enjoy being around people.

Certain animals are “hired” for specific jobs ____(以…为基础) their traits, or characteristics.

“Dogs love to retrieve objects so the towel becomes a reward,” says Morris Berkowitz, who ____(领导) a canine drug-sniffing program in New York.