试题与答案

()铸件宜采取慢速浇注。 A.薄壁 B.复杂 C.厚壁

题型:单项选择题

题目:

()铸件宜采取慢速浇注。

A.薄壁

B.复杂

C.厚壁

答案:

参考答案:C

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题型:改错题

短文改错(共10小题;每小题1分,满分10分)

I am always interested in the traveling. My                              1.__________

reasons are quite simple and clearly. If anybody                                2.__________

is not satisfied with my opinion, I shall greatly                                    3.__________

surprised at his ways of think.                                                                    4.__________

First of all, traveling increased our                                        5.__________

knowledge. Only by traveling can we see thing                           6.__________

outside our hometown.

In the second place, traveling is good with                           7.__________

our health. While we are traveling, we can                                   8.__________

breathe in fresh air or exercise our bodies as well.                               9.__________

In a word, I sincerely hope that anybody must                   10.__________

grasp the opportunity of traveling.

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