列关于糖原哪种说法不正确() A.肝糖原是血糖的主要来源 B.肌糖原不能补充血糖 C

题型:单项选择题

问题:

列关于糖原哪种说法不正确()

A.肝糖原是血糖的主要来源

B.肌糖原不能补充血糖

C.肌糖原主要供肌肉收缩时能量的需要

D.肝和肌肉是贮存糖原的主要器官

E.糖原合成和分解是一个可逆过程

考点:临床医学检验临床免疫技术临床生化学临床生化学题库
题型:单项选择题

患者,刘某,女,36岁。右侧头痛反复发作已7年,疼痛加剧2个半月,平素性情急躁。来诊前右颞部剧烈搏动疼痛,痛连后项,伴呕吐,面红目赤,口干口苦,舌红,苔黄,脉弦。

本病如果兼见腰膝酸软,神疲乏力,耳鸣少寐等肾阴亏虚,水不涵木时,宜用()

A.杞菊地黄丸

B.大补元煎

C.右归丸

D.金匮肾气丸

E.以上都不对

题型:单项选择题

Rae and Bruce Hostetler not only work very hard,they also relax just as well. Numerous vacations help the couple to maintain their health and emotional well-being一and it’s no surprise to health care professionals.

“Rest, relaxation, and stress reduction are very important for people’s well-being and health. This can be accomplished through daily activities, such as exercise and meditation, but vacation is an important part of this as well,” said primary care physician Natasha Withers from One Medical Group in New York. Withers lists a decreased risk of heart disease and improved reaction time as some of the benefits from taking some time off. “We also know that the mind is very powerful and can help with healing, so a rested, relaxed mind is able to help the body heal better,” said Withers.

Psychologists confirm the value of vacations for the mind. “The impact that taking a vacation has on one’s mental health is great,” said Francine Lederer, a clinical psychologist in Los Angeles who specializes in stress and relationship management. “Most people have better life perspective and are more motivated to achieve their goals after a vacation, even if it is a 24- hour time-out.” The trips could be good for their health, good for their family and good for their businesses.

The online travel agency Expedia conducted a survey about vacation time in 2010, and according to their data the average American earned 18 vacation days一but only used 14 of them. France topped the list, with the average worker earning 37 vacation days and using all but two of them. Americans’ responses may not be surprising in a culture where long hours on the job often are valued, but that’s not always good for the individual, the family or the employer.

Psychologists have also found that people who don’t take enough time to relax may find it harder to relax in the future. “Without time and opportunity to do this, the nerve connections that produce feelings of calm and peacefulness become weaker, making it actually more difficult to shift into less-stressed states,” Mulhem said.

小题1:How did the author introduce the topic of the text?

A.By making comparisons.

B.By giving an example.

C.By raising questions.

D.By providing data.小题2:Expedia’s survey shows that Americans _____.

A.dislike family gatherings

B.have the shortest vacation

C.enjoy as many vacations as the French

D.think much of spending long hours on the job小题3:What can be inferred from the last paragraph?

A.One should never wait to relax.

B.Work and rest go against each other.

C.Time and opportunity wait for no man.

D.A relaxed mind determines everything.

题型:单项选择题

以下关于数据库与文件的对应关系叙述错误的是______。

A.在外存中,数据库以文件形式组织,文件由逻辑记录组成,记录由多个域组成

B.关系表在逻辑上由一系列元组组成,元组由多个属性组成

C.每个元组可以用数据库磁盘文件中的一个逻辑记录来存储,记录中包括多个域

D.元组的每个属性对应于文件记录中的一个记录

题型:单项选择题

斜面长5米,高为1米时,把重物G推上平台所需的力是()。

A.1/2G

B.1/5G

C.G

D.5G

题型:单项选择题

详述在运动生物力学研究中建立人体力学模型的意义?模型的种类有那些?

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