题目内容

下列镗杆,易出现“卡死”现象的为:

A. 开油槽镗杆
B. 深直槽镗杆
C. 螺旋槽镗杆
D. 镶条式镗杆

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可能导致代谢性酸中毒的是

A. 腹泻
B. 腹腔引流
C. 肾小管性酸中毒
D. 酮症酸中毒
E. 饥饿

下列哪些是代谢性酸中毒的临床表现

A. 意识障碍：烦躁或嗜睡、昏睡、昏迷等
B. 口唇樱桃红→苍白或发绀
C. 呼吸深快或不规则
D. 肌张力下降

Why don’t you think print newspapers _______ against social media?

A. stand a chance
B. are limited to
C. depend on
D. get ahead

If you wish to _____ a specific e-book for individual use, please click the Buy button on the site.

A. get
B. check
C. purchase
D. sell