[单项选择]下列标高标注图例表示低于零点标高的是（）。
A. ▽±0.00
B. ▽4.00
C. 4.00
D. -4.000

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[单选题]用硫酸镁治疗妊娠高血压综合征如发生中毒最早出现的症状是: ( )
A.呼吸减慢
B.膝反射消失
C.心率减慢
D.尿量减少

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[判断题]架空线路所用的导线必须是裸线。
A.正确
B.错误

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[单项选择]以下情况标志女性青春期开始的是
A. 骨盆变宽
B. 乳房丰满
C. 月经初潮
D. 阴毛出现
E. 音调变高

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[填空题]

[A] The impotence of creationism.
[B] Natural selection acts by competition.
[C] The role of natural selection in this colorful world
[D] The delicate hierarchy of the natural system.
[E] The agency of selection can account for more cases.
[F] No leaps in natural evolution.
As each species tends by its geometrical rate of reproduction to increase excessively in number; and as the modified descendants of each species will be enabled to increase by as much as they become more diversified in habits and structure, so as to be able to seize on many and widely different places in natural selection to preserve the most divergent offspring of any one species. Hence, during a long-continued course of modification, the slight differences characteristic of varieties of the same species, tend to be augmented into the greater differences characteristic of the species of the same genus.
41. __________.
New and improved varieties

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[单选题]适用于低温，高压及黏度大的介质，不能做调节流量用的（），具有结构简单、开关迅速、操作方便、体积小、重量轻、零部件少，密封面不易擦伤的特点。
A.截止阀
B.球阀
C.蝶阀
D.隔膜阀

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[单选题]姜盐豆子茶因用姜、盐、黄豆、芝麻、茶叶和开水混合而成,又称“( )”。
A.三清茶
B.八宝茶
C.十里香
D.六合茶

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[多选题]一般煤层按厚度可分为（）。
A.薄煤层
B.特薄煤层
C.中厚煤层
D.厚煤层
E.略
F.略
G.略
H.略

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[判断题]火灾隐患整改完毕，负责整改的部门或者人员应当将整改情况记录报送公安消防机构。
A.正确
B.错误

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[单项选择]反映医患之间权利关系的正确观点是：强调维护（）
A. 医生的权利
B. 医院院长的权利
C. 护士的权利
D. 患者的权利
E. 家属的权利

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[填空题]脐上2cm相当于____椎体水平。

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[简答题]简述幼儿园活动目标的评价。

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[单项选择]脑膜炎奈瑟菌的传播方式主要是（）
A. 粪－口传播
B. 空气传播
C. 输血传播
D. 垂直传播
E. 肠道传播

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[单项选择]In a competitive economy, the consumer usually has the choice of several different brands of the same product. Yet underneath their labels, these products are often nearly identical. One manufacturer’’s toothpaste tends to differ very little from another manufacturer’’s. Two different brands of shampoo may vary only in scent or color. And the tobacco in two different brands of cigarettes frequently comes from the same fields. This close similarity means that a shopper often has little reason to choose one brand over another. Thus, manufacturers are confronted with a problem--how to keep sales high enough to stay in business. Manufacturers solve this problem by advertising. Through advertising, each manufacturing company tries to convince consumers that its product is special. To do this ,the companies try to appeal to consumers in various ways. In fact, advertisements may be classified into three types according to the kind of appeals they use. 　　One type of advertisement tries to app
A. to recommend products scientifically superior to others.
B. to make scientific statements to attract potential buyers.
C. to impress consumers with scientific truth about the product.
D. to associate laboratory findings with the ingredients of the product.

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[判断题]两相邻坡度i1为4‰下坡,i2为2‰上坡, 坡度代数差△i为2‰。( )
A.正确
B.错误

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[多选题]安全激励基金主要用于激励安全活动生产中作出贡献的人员，主要对以下情况进行奖励（）
A.防止事故奖励
B.应急处置奖励
C.遵章守纪奖励
D.安全先进个人奖励

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[单项选择]下列树中（）属于藤本植物。
A. 刺槐
B. 紫藤
C. 紫荆
D. 合欢

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[单项选择]软组织化脓性感染，下列哪一种有接触传染性，应隔离( )。
A. 疖
B. 痈
C. 急性蜂窝织炎
D. 丹毒
E. 急性淋巴管炎和急性淋巴结炎

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[判断题]NJ2型机车辅助传动系统采用交流传动控制,交流发电机是一台同轴共转子发电机,具有两套励磁绕组。
A.正确
B.错误

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[单选题]专机检查试飞汇报（动员）会，通常由（）组织。
A.机场管理机构
B.航空公司
C.地区管理局空管局
D.地区管理局