一个工人看管三台机床，在一小时内，这三台机床需要工人照管的概率分别0.9、0.8

绝对值最小的数是      ，最大的负整数是     ；

孟子曰：“诚者，天之道也，思诚者，人之道也。”诚信是

①为人做事的基本准则        ②维护社会生活、生活秩序的稳定器

③实话实说，绝不说谎         ④市场经济健康发展的重要保证

A．①③④

B．②③④

C．①②④

D．①②③④

In order to           in a short time, the actress ate a large amount of food            

much fat and protein(蛋白质).

A．put on weight; contained

B．put on weight; containing

C．lose weight; containing

D．lose weight; contained

The traffic ______ very bad ______ the snowstorm. [ ]

A. was, because

B. was, because of

C. were, because

D. were, because of

图中所示的部分是（）

A.券门

B.步道

C.敌楼

D.射口