起重机械中起着省力和支撑钢丝绳并为其导向的作用的是()。A.卷倘 B.滑轮 C.吊钩

题型:单项选择题

问题:

起重机械中起着省力和支撑钢丝绳并为其导向的作用的是()。

A.卷倘

B.滑轮

C.吊钩

D.制动器

考点:安全工程师安全生产技术安全生产技术7
题型:单项选择题

用户的计算机可以通过电话线路或 【14】 线路连接到ISP。

题型:单项选择题

制约着教育的规模、速度、结构、方法、手段和内容的是()

A.社会文化

B.人的身心发展水平

C.社会意识形态

D.社会生产力

题型:单项选择题

初孕妇,25岁,妊娠31周,从妊娠29周起反复3次 * * 流血,量少,无腹痛,再次 * * 流血同月经量。查体:P88,BPl100/70mmHg,子宫软,无官缩,枕左前位,胎头高浮,胎心率。

首先考虑的诊断是()。

A.低置性前置胎盘

B.中央性

C.边缘性

D.部分性

E.前置血管破裂

题型:单项选择题

The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.

Intense lobbying by the financial services industry has resulted in regulations that favor creditors as opposed to consumers, which is seen when creditors may garnish the wages of consumers in default on loans even after these consumers have declared bankruptcy.()

A. as opposed to consumers, which is seen when creditors may garnish

B. regarding consumers; creditors, for instance, may now have garnished

C. over consumers; creditors may now, for example, garnish

D. in terms of consumers, like when creditors are able to garnish

E. over consumers, such as when creditors now may garnish

题型:单项选择题

人力资源管理的演变,依照发展的时期顺序依次为( )。

A.行政管理阶段;管理科学阶段;人力资源管理阶段
B.雇佣管理阶段;人事管理阶段;人力资源管理阶段
C.管理科学阶段;人事管理阶段;人力资源管理阶段
D.雇佣管理阶段;管理科学阶段;人力资源管理阶段

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