题目内容

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

考查代词。when it comes to... 是固定句式，表示“当涉及……”。

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九年级毕业班综合练习与检测系列答案

My father admitted that when comes to pop music, he had little knowledge of it.

(2011年济南1月模拟)When________comes to saving energy，big changes start with small steps，like turning off the lights.

A．that B．this

C．it D．one

A new survey released by Yale University finds that Americans trust scientists most when ______ comes to information on climate change.

A. that B. it C. this D. there

We all agree that it is good to help those in need, but when ______ comes to giving away our money, things become strange.

A. that B. this C. it D. one

When comes to baseball, Dorothy knows little about it.

A. this B. that C. it D. one

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