机动车外观应整、各零部件应完好、联接牢固、无缺损。车体应周正

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问题单项选择题

机动车外观应整、各零部件应完好、联接牢固、无缺损。车体应周正，车体外缘左右对称部位高度差应小于等于（）。

A、100mm

B、80mm

C、50mm

D、40mm

答案

参考答案：D

单项选择题

The nurse is assessing an 8-month-old during a wellness checkup. Which of the following is a normal developmental task for an infant this age（）

A. Sitting without support.

B. Saying two words.

C. Feeding himself with a spoon.

D. Playing patty-cake.

判断题

涂料的流平性太好，易产生流挂、流痕等缺陷。