增大轴在截面变化处的过渡圆角半径,可以使零件的轴向定位比较可靠。
参考答案:错
根据下面每句句意、汉语提示及英语解释,选出空白处所缺单词的正确形式。
小题1:Martin Murray is a _______(15岁) boy.He used to be a “problem child”.
小题2:—How do you study for a test?
—I study by ______(听) to tapes.
小题3:I’m very ______(担心)about my son’s health.
小题4:He didn’t do well in English ,so he wanted to (make better) it.
小题5:The big building has been here for two ____(one hundred years).
指出法国启蒙思想家对基督教的批判有失偏颇的德国学者是()。
A、黑格尔
B、笛卡尔
C、卢梭
D、尼采