题目内容

用适当的词填空。
1. Dolly, the first cloned sheep died _______ lung disease in 2003.
2. Scientists can take DNA ______ one kind animal and put it ______ another kind of animal.
3. If you had a sister or brother _______ to you, how could your mother tell you apart?
4. What ________ people all over the world went to the moon?
5. Have you ever see a cow ________ horse's face?
1.from   2.from, into   3.identical   4.if    5.with
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