本题目来源于试卷: Physics Unit13: Temperature and Kinetic Theory，类别为 国际高中通用物理
[单选题]
Consider a flat stee eba*sp*+c ymxj, 3qe 4h f25lkget.z :l plate with a hole through its center as shown in Fig. 13-2. When the pla :keg 5t.fz2lhte's temperature is increased, the hole will
A. expand only if it takes up more than half the plate's surface area.
B. contract if it takes up less than half the plate's surface area.
C. always contract.
D. always expand.
参考答案: D
本题详细解析:
暂无
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