对于正常人胰液的叙述,哪一项是错误的()。 A.胰液的碳酸氢钠含量高 B.胰液的pH

题型:单项选择题

问题:

对于正常人胰液的叙述,哪一项是错误的()。

A.胰液的碳酸氢钠含量高

B.胰液的pH约为8

C.每天分泌量超过1000ml

D.胰液中含有羟基肽酶

E.胰液分泌以神经调节为主

考点:消化内科学(医学高级)消化内科专业基础理论消化内科专业基础理论题库
题型:单项选择题

如图所示为两个小球运动过程的频闪照片,闪光时间间隔为1s,图上数字为闪光时刻编号,请按提示描述这两个小球的运动,图中每一个小格的长度为0.2m.

(1)求出小球B在编号3至编号7这段时间间隔内的平均速度vB=    m/s;

(2)分别求出小球A在编号1至编号3这段时间间隔内的平均速度v1=    m/s;小球A在编号5至编号7这段时间间隔内的平均速度v2=     .(选填“变大”或“变小”)

(3)小球A在编号1至编号7这段时间间隔内的速度逐渐     (选填“变大”或“变小”).

题型:单项选择题
Job stress has been known to cause heart problems in people who already have cardiovascular(心血管) disease. Now Finnish scientists have shown that  50  in healthy people the pressure of work can cause damage.
High blood pressure, lack of  51  , smoking and being overweight  52  to heart disease—a    53   killer in many industrialized countries.
But Mika Kivimaki, of the Finnish Institute of Occupational Health, and his colleagues, who studied the  54  histories of 812 healthy Finnish men and women in a metal industry company over 25 years, said job stress also plays an important role.
Workers who had the highest job-related stress levels at the start of the study were more than twice as  55   to die of heart disease,  56   the study published in The British Medical Journal.
Work stress  57  too much work as well as a lack of satisfaction and feeling undervalued and  58   .
Many people work long hours but if the effort is 59  the stress is minimized. Kivimaki said job pressure is damaging when being overworked is  60  with little or no control, unfair supervision and few career opportunities.
The British Heart Foundation said the results  61   earlier research showing that people in jobs with low control, such as manual workers, could be at greater  62  of heart disease than other employees.
“It is   63   for people to try to minimize levels of stress at work and for employers to  64  people to have more control at work and to be rewarded for their success,” the foundation said in a statement.
小题1:
A.though
B.seldom
C.even
D.thereby
小题2:
A.exercise
B.patience
C.enthusiasm
D.interest
小题3:
A.add
B.propose
C.introduce
D.contribute
小题4:
A.leading
B.plain
C.moderate
D.heavy
小题5:
A.personal
B.professional
C.medical
D.family
小题6:
A.much
B.likely
C.equal
D.stable
小题7:
A.due to
B.owing to
C.according to
D.contrary to
小题8:
A.contains
B.brings
C.proceeds
D.involves
小题9:
A.isolated
B.unappreciated
C.disconcerted
D.stimulated
小题10:
A.rewarding
B.improved
C.increasing
D.neglected
小题11:
A.sponsored
B.responded
C.threatened
D.combined
小题12:
A.indicate
B.simplify
C.support
D.overflow
小题13:
A.portion
B.chance
C.danger
D.risk
小题14:
A.advisable
B.predictable
C.profitable
D.comfortable
小题15:
A.persuade
B.transfer
C.allow
D.rescue
题型:单项选择题

下列选项中哪一种情况不是我国《宪法》列举的公民获得物质帮助权的条件

A.农民年老时
B.公民患疾病时
C.公民在遭受自然灾害时
D.公民在丧失劳动能力时

题型:单项选择题

孔子提出“畏天命”的观点,说“获罪于天,无所祷也”,这是()

A.古代朴素唯物主义观点

B.客观唯心主义观点

C.主观唯心主义观点

D.形而上学的观点

题型:单项选择题

在各种不同的软件需求中, (34) 描述了用户使用产品必须要完成的任务,可以在用例模型或方案脚本中予以说明。原型化方法是用户和软件开发人员之间进行的一种交互过程,适用于 (35) 系统。 (36) 意味着一个操作在不同的类中可以有不同的实现方式。时序图反映对象之间发送消息的时间顺序,它与 (37) 是同构的。单元测试的测试用例主要根据 (38) 的结果来设计。

38()

A.需求分析

B.源程序

C.概要设计

D.详细设计

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