题目内容

Fill in the blanks with the appropriate forms of the given words.Shopping at this time of the year was a most ____ experience: people trod on your toes, poked you with their elbows and almost knocked you over in their haste to get to a bargain ahead of you. (agree)

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(Paragraph 9)The ridiculous nature of the example is the exclusion of a simple and easy “walk" from physical exercises when they attach much importance to "all kinds of healthful things," the reason being their car dependence.

A. 对
B. 错

多级汽轮机各级叶轮的直径由高压段至低压端。

A. 一直不变
B. 先增大后减小
C. 逐渐增大
D. 逐渐减小

以下哪一种不属于转轮型转子按制造工艺分类。

A. 套装式转子
B. 整锻式转子
C. 焊接式转子
D. 反动式转子

套装式转子的内孔直径比相应部位的轴径。

A. 略大
B. 略小
C. 完全一样
D. 小很多