当铸造内应力超过金属的强度极限时,铸件将产生裂纹。这种裂纹分为两种()和()。

题型:填空题

问题:

当铸造内应力超过金属的强度极限时,铸件将产生裂纹。这种裂纹分为两种()和()。

考点:机械工程机械制造机械制造题库
题型:填空题

在Photoshop中下面对色彩平衡描述正确的是()。

A.只能调整RGB模式的图像

B.只能调整CMYK模式的图像

C.不能调节灰度图

D.以上都不对

题型:填空题

保险公估机构的保证金按其注册资本或者出资额()的比例缴存。

A.1%

B.2%

C.3%

D.5%

题型:填空题

全球多媒体网络的研究领域是安全性,下列描述错误的是______。

A.用户可能需要屏蔽通信量模式

B.加密可能会妨碍协议转换

C.网络是共享资源,但用户的隐私应该加以保护

D.加密地点的选择无关紧要

题型:填空题

句型转换。

1. Most young people find that watching a football match is exciting. (同义句)

Most young people find _______exciting _______ _______ a football match.

2. Our words made her face turn red. (被动句)

Her face _______ _______ _______ turn red by our words.

3. What other things would you like to buy? (同义句)

_______ _______ would you like to buy?

4. She has been an English teacher for three years. (同义句)

_______ _______ three years since she _______ an English teacher.

5. I hope I can visit Beijing for the Olympic Games this summer vacation. (同义句)

I hope _______ _______ Beijing for the Olympic Games this summer vacation.

题型:填空题

成人骨髓炎的特点有()

A.无明显全身中毒症状

B.症状较轻

C.发病缓慢

D.骨质破坏较局限

E.预后较好

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