如果取精液检查,应在检查前至少()天内不排精。 A.2 B.3 C.4 D.5 E.

题型:单项选择题

问题:

如果取精液检查,应在检查前至少()天内不排精。

A.2

B.3

C.4

D.5

E.10

考点:临床医学检验临床化学临床化学综合练习临床化学综合练习题库
题型:单项选择题

机能主义心理学的主要特点是()。

A.强调心理学应该研究心理在适应环境中的机能作用

B.反对把心理学只看作一门纯科学,重视心理学的实际应用

C.认为心理学的任务就在于查明刺激与反应之间的规律性关系

D.主张要从整体上来研究心理现象

题型:单项选择题

如图为测定空气组成的实验装置,根据图示回答下列问题:

(1)在测定空气组成的实验过程中发生了一个化学反应该反应的文字表达式表示为:______,反应的主要现象为______.

(2)集气瓶内燃烧匙中,放入的红磷必须过量,其原因是______,反应前将导管中央的活塞关闭,反应完毕,将导管中央的活塞打开,会发现烧杯中的水进入集气瓶中,若集气瓶内剩余空间的体积为200mL,则进入集气瓶中水的体积为______mL,所以说明氧气约占空气体积的______左右.

(3)集气瓶中首先要加一些水的目的是______.

(4)做该实验时能否用硫来代替磷______.原因是______.

题型:单项选择题

A driver stopped his car on a street side to have a rest. As he lay down in the seat and closed his eyes, a person came up and knocked at the window to ask the time. The driver opened his eyes and looked at his watch: “It’s 8: 05,” he said. Then he went to sleep again. But soon he was waken up again because a second person was knocking at the window. “Sir, do you know the time?” he asked. The driver looked at his watch again, and told him it was half past eight.

In this way, the driver thought he could not have a good rest, so he wrote a short note and stuck it on the window for all to see. It said, “I don’t know the time.”

Again, he lay down in the seat for his sleep. A few minutes later, a third person came and began to knock at the window, “Hey, sir,” he said. “It’s a quarter to nine.”

56. Where did the driver sleep?

A. At the window.   B. In the street road.   C. In his car.     D. In his room.

57. How long had the driver been there when the third person called him?

A. 40 minutes. B. 25 minutes. C. 50 minutes. D. 70 minutes.

58. Why did the driver write a note and stick it on the window?

A. Because he didn’t know the time.

B. Because he didn’t want anybody to trouble him.

C. Because he needed somebody to wake him up.

D. Because he wanted somebody to tell him the time.

59. The third person knocked at the window to ______.

A. ask him the time                    B. ask him not to sleep

C. see if the driver was sleeping     D. tell him what time it was

60. The driver ______ in his car.

A. had a good sleep B. had no seat

C. didn’t have a good rest        D. always closed his eyes

题型:单项选择题

目前生产中常用的葡萄抗寒砧木是()

A、山葡萄

B、贝达

C、河岸葡萄

D、沙地葡萄

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煤矿职业健康监护是什么?

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