[单选题]轴承内圈组件的清洗温度不大于（）。-我要搜题网

[单选题]下丘脑分泌的激素有:
A.TRH
B.TSH
C.T4
D.ACTH

查看答案

[单选题]作为电流或电压测量时, ( )级和2.5级的仪表容许使用1.0级的互感器。
A.0.1级
B.0.5级
C.1.0级
D.1.5级

查看答案

[判断题]蒸汽往复泵格兰漏油标准中规定，重油泄漏≯20滴/min。

查看答案

[判断题]开挖和爆破支柱基坑时必须开接触网第一种工作票。
A.正确
B.错误

查看答案

[单项选择]对内向监理单位负责，对外向业主负责的是( )。
A. 项目经理
B. 项目监理机构
C. 总监理工程师
D. 专业管理工程师

查看答案

[单选题]腰带的缝合线()有断裂。
A.不得
B.可以
C.允许

查看答案

[填空题]蛋白液的气泡被均匀地包在蛋白膜内，受加热后，气泡膨胀而不会断裂，只要是由于(　　)。

查看答案

[单选题]攀登杆塔过程中应检查（）和金具锈蚀情况。
A.纵向裂纹；
B.横向裂纹；
C.裂纹；
D.绝缘子污染

查看答案

[单项选择]

[听力原文]
The case for college has been accepted without question for more than a generation. All high school graduates ought to go, says conventional wisdom and statistical evidence, because college will help them earn more money, become "better" people, and learn to be more responsible citizens than those who don’t go.
But college has never been able to work its magic for everyone. And now that close to half our high school graduates are attending, those who don’t fit the pattern are becoming more numerous, and more obvious. College graduates are selling shoes and driving taxis; college students interfere with each other’s experiments and write false letters of recommendation in the intense competition for admission to graduate school. Others find no stimulation in their studies, and drop out--often encouraged by college administrators.
Some observers say the fault is with the young people themselves--they are spoiled and they ar
A. young people are disappointed with the conventional way of teaching at college
B. many young people are required to join the army
C. young people have little motivation in pursuing a higher education
D. young people don’t like the intense competition for admission to graduate school

查看答案

[单选题]小儿初次感染结核分枝杆菌是否发展为结核病的取决因素不包括
A.小儿的年龄
B.细菌的毒力
C.细菌的数量
D.遗传因素
E.机体的免疫力

查看答案

[名词解释]主导因素

查看答案

[单项选择]凡由承包单位负责采购的原材料、半成品或构配件，在采购订货前应向（）申报
A. 监理工程师
B. 业主代表
C. 材料工程师
D. 项目经理

查看答案

[单选题]天然河道,人工渠道中的水流大多数情况下属于( )。
A.均匀流
B.非均匀流
C.渐变流
D.急变流

查看答案

[单项选择]Every couple who goes to the church believes that they will make that trip only once to their lives. They want the day to be perfect, and they are asking for much more than good weather. They want the most beautiful clothes, the freshest flowers. Moreover, her family who will foot the bill is not in any mood to (47)______ . A quick look at any bride magazine will (48)______ that plenty of attractive goods and services (49)______ for a share of the wedding budget. Besides the obvious choices of rings, dresses, flowers, and photographs, there are the less apparent expenses: a lavish (奢华的) cake, a dinner, a reception, music for both the ceremony and the reception, tips, and even napkins (餐巾) and matchbooks printed with the couple’’s names and the wedding date. As the arrangements are generally (50)______ , there are plenty of services that can be hired to help with the planning and execution of the every aspect of the wedding: planning the photographs, selecting the wedding rin

查看答案

[配伍题]儿科处方的保存期限为（）|第一类精神药品处方保存期限为（）
A. 1年
B. 2年
C. 3年
D. 4年
E. 5年

查看答案

[单选题]混凝土拌制粗骨料应采用质地坚硬的卵石、碎石、其粒径宜用（）。卵石不宜大于50mm，碎石不宜大于40mm。
A.15毫米～25毫米
B.15毫米～50毫米
C.15毫米～40毫米
D.25毫米～40毫米

查看答案

[多选题]桡骨（）
A.上端是桡骨头
B.桡骨头与肱骨相关节
C.桡骨头与尺骨相关节
D.下端尺切迹与尺骨头关节
E.桡骨头和桡骨茎突在体表摸不到

查看答案

[简答题]在啤酒工业上使用酶制剂能取得哪些良好的效果？

查看答案

[多项选择]我国产业结构优化和升级的目标要形成的产业格局是（）
A. 以高新技术产业为先导
B. 以基础产业和制造业为支撑
C. 服务业全面发展
D. 经济社会全面发展

查看答案

[多选题]电气设备的状态可分为( )
A.运行
B.试验
C.备用
D.检修