摘要： When comes to research into heart disease and the effects on the body, we do not have adequate substitutes for the use of animals. A. that B. it C. what D. this 25 . with a gradual rise of seawater, some nations in the Pacific are considering moving in the near future. A. Facing B. To face C. Faced D. Being faced
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When ____ comes to research into heart disease and the effects on the body, we do not have adequate substitutes for the use of animals.
A．that B．it C．what D．this
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When ____ comes to research into heart disease and the effects on the body, we do not have
adequate substitutes for the use of animals.
adequate substitutes for the use of animals.
[ ]
A. that
B. it
C. what
D. this
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B. it
C. what
D. this
When ____ comes to research into heart disease and the effects on the body,we do not have adequate substitutes for the use of animals.
A. that B. it C. what D. this
查看习题详情和答案>>