25岁,男性,近1周间断便鲜红血,伴肛门部坠胀感,首先应选() A.大便潜血检查 B

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问题:

25岁,男性,近1周间断便鲜红血,伴肛门部坠胀感,首先应选()

A.大便潜血检查

B.直肠指诊

C.乙状结肠镜检查

D.纤维结肠镜检查

E.血常规

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下列收入中,不属于施工企业营业收入核算范围的是()。

A.劳动作业收人

B.设备租赁收入

C.合同变更收入

D.罚款净收入

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The criminal _____ fire to a store and after a moment the whole store _____ fire. [ ]

A. made a; lit a

B. set a; caught

C. caught; was on

D. set; was on

题型:单项选择题

A recent study, published in last week’s Journal of the American Medical Association, offers a picture of how risky it is to get a lift from a teenage driver. Indeed, a 16-year-old driver with three or more passengers is three times as likely to have a fatal accident as a teenager driving alone. By contrast, the risk of death for drivers between 30 and 59 decreases with each additional passenger.

The author also found that the death rates for teenage drivers increased dramatically after 10 p.m., and especially after midnight, with passengers in the car, the driver was even more likely to die in a late-night accident.

Robert Foss, a scientist at the University of North Carolina Highway Safety Research Center, says the higher death rates for teenage drivers have less to do with “really stupid behavior” than with just a lack of driving experience. “The basic issue.” he says, “is that adults who are responsible for issuing licenses fail to recognize how complex and skilled a task driving is.”

Both he and the author of the study believe that the way to mitigate (使……缓解)the problem is to have states institute so-called graduated licensing systems, in which getting a license is a multistage process. A graduated license requires that a teenager first prove himself capable of driving in the presence of an adult, followed by a period of driving with night of passenger restrictions, before graduating to full driving privileges.

Graduated licensing systems have reduced teenage driver crashes, according to recent studies, About half of the states now have some sort of graduated licensing system in place, but only 10 of those states have restrictions on passengers, California is the strictest, with a novice(新手)driver prohibited from carrying any passenger under 20(without the presence of an adult over 25)for the first six months.

小题1:Which of the following situations is most dangerous according to the passage?

A.Adults giving a lift to teenagers on the highway after 10 p.m.

B.A teenager driving after midnight with passengers in the car.

C.Adults driving with three or more teenage passengers late at night.

D.A teenager getting a lift from a stranger on the highway at midnight.小题2:According to Robert Foss, the high death rate of teenage drivers is mainly due to ________

A.their frequent driving at night

B.their improper way of driving

C.their lack of driving experience

D.their driving with passengers小题3:According to Paragraph 3. which of the following statements is TRUE?

A.Teenagers should spend more time learning to drive.

B.Driving is a skill too complicated for teenagers to learn.

C.Restrictions should be imposed on teenagers applying to take driving lessons.

D.The licensing authorities are partly responsible for teenagers' driving accidents.小题4:A suggested measure to be taken to reduce teenagers' driving accidents is that ________ .

A.driving in the presence of an adult should be made a rule

B.they should be prohibited from taking on passengers

C.they should not be allowed to drive after 10 p.m.

D.the licensing system should be improved

题型:单项选择题

旅游行政管理部门依导游人员违法程度轻重,分别给予导游人员和其所在的旅行社以下处罚()。

A.警告、罚款

B.责令改正

C.有违法所得的,没收违法所得

D.吊销导游证并予以公告和责令停业整顿

题型:单项选择题

关于陆地植被研究的特点,下列说法错误的是()。

A.研究内容上主要围绕气候、环境、资源等与人类生存和可持续性发展密切相关的重大问题

B.研究方法上更注重多学科交叉、渗透与综合,传统与新技术的结合

C.研究方向上继续将微观和宏观逐渐趋近,并注意二者的结合与统一

D.研究手段上大量引进和应用高新技术,如卫星遥感、同位素示踪技术、计算机数据库及建立模型、GIS技术

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