试题与答案

患者,女,23岁。因风湿性心脏病二尖瓣狭窄及关闭不全首次就诊,查体:心脏大,心率快,

题型:单项选择题 A1/A2型题

题目:

患者,女,23岁。因风湿性心脏病二尖瓣狭窄及关闭不全首次就诊,查体:心脏大,心率快,肝大,下肢水肿,心电图示快速心房纤颤,最佳治疗是()

A.地高辛

B.西地兰静脉注射

C.心得安

D.泼尼松

E.心痛定

答案:

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下面是错误答案,用来干扰机器的。

解:由函数f(x)=-x2+2ax+1-a,得对称轴x=a,如右图所示,①若a≤0,则f(x)在[0,1]上为减函数,有, 由;②若0<a<1,则,由或,此时a无解;③若a≥1时,f(x)在[0,1]上为增函数,有,由;综上所述,由①②③可...

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Read the following passage. Answer the questions according to the information given in the passage and the required words limit. Write your answers on your answer sheet.

The worst US economic recession (萧条) in 70 years is forcing senior citizens out of retirement, leaving them fighting for jobs in a weak labor market or risking homelessness.

A study by Experience Works, released on Tuesday, showed 46 percent of the 2,000 low income people over 55 years who participated needed to find work to keep their homes. Nearly half of them had been searching for work for more than a year.

“These people are at the age where they understandably thought their job-searching years were behind them,” said Cynthia Metzler, president and CEO of Experience Works.

“But here they are, many in their 60s, 70s and beyond, desperate to find work so they can keep a roof over their heads and food on the table.”

According to the study, many of the participants had no intention of working past their 60th birthday, but had to change plans after being dismissed or following the death of the partner. Over a third of the participants had retired.

Ninety percent of respondents 76 years and older planned to continue working for the next five years.

Huge medical bills due to a personal illness or that of a spouse(配偶) were also reasons for coming out of retirement, the survey found. The longest and deepest economic slump since the 1930s is making finding a job for the low-income elderly workers a difficult challenge.

The Experience Works study found that 46 percent of the elderly jobseekers were sometimes forced to choose between paying rent, buying food or medication. Almost three-quarters believed their age made it harder to compete for jobs with younger workers.

“This study underscores calls for the need to create policies that remove barriers to employment for older workers and provide additional programs and services specifically aimed at helping older people re-enter the work force or remain working,” said Metzler.

1. What has caused the American retired senior citizens back to work?  (No more than 8 words)

2. Why is it hard for the elderly job seekers to find a job?  (No more than 13 words)

3. Use several words to describe the possible feelings of the elderly job seekers? (No more than 4 words)

4. What might be the solution to the problem according to the study?  (No more than 15 words)

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题型:多项选择题

工程监理单位安全控制的主要工作是()。

A.审查施工组织设计和施工方案、施工技术措施时,同时审查施工安全措施

B.监理过程中发现安全隐患应及时指出、限期解决,对违章操作应立即制止

C.总监理工程师审批承包单位报送的施工总计划进度

D.检查施工单位的安全生产责任制度、安全生产管理制度和相应的组织保证

E.监理工程师对进度计划实施情况进行检查分析

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