当间隙配合不当或接触面太小，可造成轴承或导轨发热。
参考答案：对
口袋里有除颜色外，完全相同的4个红球，2个黄球，在口袋里任意摸一个球，摸 到______的可能性较大，摸到黄球的可能性是______．
We Chinese ____ our soldiers who did so much for the suffering people there during the Wenchuan earthquake. [ ]
A. proud of
B. are pride of
C. take pride in
D. take pride of
