第一产程中宫口扩张的潜伏期约需A.8小时 B.10小时 C.12小时 D.14小时

题型:单项选择题

问题:

第一产程中宫口扩张的潜伏期约需

A.8小时

B.10小时

C.12小时

D.14小时

E.16小时

考点:护理学主管护师护师专业知识分娩期产妇的护理
题型:单项选择题

政策性金融机构的经营目标是()。

A.实现政府的政策目标

B.实现上级政策规定的利润目标

C.实现本机构的长远规划目标

D.实现本机构的利润最大化

题型:单项选择题

甲、乙两个寿命期相等的互斥方案的净现值均大于零,则()。

A.效益相同时,费用年值最大的方案为最优方案

B.效益相同时,费用现值最大的方案为最优方案

C.效益不相同时,净年值最小的方案为最优方案

D.效益不相同时,净现值最大的方案为最优方案

题型:单项选择题

If you often feel tired and the doctor can’t find anything wrong with you, you may be in a state of Subhealth (亚健康). Subhealth is a state between health and illness. Most of the subhealthy people are middle-aged ones who are usually stressed out because of work and family. And some of them are students who are having exams.
If you are subheahlty, it is not difficult for you to become well soon. You should have good living habits. For example, you should get up early and go to bed early. And you should exercise regularly. Exercising can keep you healthy. As for meals, it is better to eat less salt and sugar. Vegetables, fruit and fish are important to your body. You should eat more of them. It is not good to eat too much at one meal, because it may cause unhealthy changes in the digestive tract(消化道). And at last, a balanced diet is very helpful in staying away from subhealth.

According to the passage, who will probably be subhealthy

A.Teachers and students.

B.Parents and children.

C.Middle-aged people and students.

D.The young and the ol

题型:单项选择题

图示电路中,Us=10V,R1=R3=10Ω,R2=5Ω,C=100μF,t=0时开关S闭合。求电路的时间常数τ为()ms。

A.1

B.2

C.3

D.4

题型:单项选择题

办事处配备()级以上的领导,专职负责报告贷款复审工作,并在《意见书》上签字确认。

A、经理

B、经理助理

C、主任

D、主任助理

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