Generally speaking, all kinds of materials will expand when

时间:2022-06-09 10:36来源:未知作者:admin 点击: 次

30. Generally speaking, all kinds of materials will expand when heated but will___ when cooled. A. contrast B. contract C. survive D. return

30. Generally speaking, all kinds of materials will expand when heated but will___ when cooled.

A. contrast

B. contract

C. survive

D. return

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