工作面瓦斯探头距巷帮不小于（）mm。A、100 B、200 C、300

产后恶露持续几周以上，仍淋漓不尽者，称为“恶露不绝”()

A.1周

B.2周

C.3周

D.4周

E.6周

读某工业部门在某城市及其附近地区的土地、运输和劳动力等成本曲线图（其中土地成本和运费都只与距城市中心的远近、交通通达度有关），回答下列各题。

小题1:图中表示土地成本、运费、劳动力成本的曲线依次是（   ）

A．a、b、c

B．b、a、c

C．c、b、a

D．c、a、b小题2:综合考虑土地、运输、劳动力成本，该工业部门应布局在图中（   ）

A．①处

B．②处

C．③处

D．④处

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.

Unless the conservator can find a way to protect the photographs in the archives from light and air, these precious historical documents have deteriorated and will continue to do so both in color and in fine detail.（）

A. have deteriorated and will continue to do so

B. win continue to deteriorate

C. have been and will continue to deteriorate

D. will continue to deteriorate, as they already have,

E. will be deteriorating yet more

按照安全用电的规定，仪表施工现场使用手持电动工具应安装（）。

A.接地线

B.接零线

C.漏电保护器

D.绝缘板

属热伤气阴型证候的是( )

A．面色灰白，精神恍惚或神昏，汗出身冷，口燥咽干，肌肤干皱，四肢厥冷，尿少或无尿，舌淡光滑无苔，脉微欲绝
B．精神委靡，反应迟钝，大汗淋漓，身冷畏寒，口淡不渴，心悸胸闷，四肢厥冷，尿少或无尿，舌淡苔白，脉微欲绝
C．精神恍惚，语声低微，唇甲发绀，四肢厥冷，发斑出血，舌质暗紫有瘀点，脉数
D．神志淡漠，反应迟钝，身热汗出，口干喜饮，四肢逆冷，小便短赤，大便秘结，舌质红，苔黄少津，脉细数
E．大汗淋漓，烦躁不安，口燥咽干，皮干，静脉萎陷，尿少或无尿，舌质红而干，脉微纲数