GC若用FID时,载气应采用A.氢气 B.空气 C.氮气 D.氦气 E.氩气

题型:多项选择题

问题:

GC若用FID时,载气应采用

A.氢气

B.空气

C.氮气

D.氦气

E.氩气

考点:西药执业药师药物分析色谱法(二)
题型:多项选择题

奥运知识我知道。

问:北京2008年奥运会是第几届?

答:                                                                              

问:本届奥运会奥运火炬的设计突出了什么主题?

答:                                                                              

问:本届奥运会的吉祥物是什么?各象征什么?

答:                                                                            

问:本届奥运会我国共获得多少枚金牌,多少枚奖牌?

答:                                                                                   

问:下届奥运会是哪年,在哪儿举行?

答:                                                                                   

题型:多项选择题

阅读理解。

     Cities alarmed by deaths and injuries of pedestrians are taking efforts to make crosswalks safer for people

on foot, especially seniors and children who need more time to cross streets.

     A pedestrian is killed in a traffic accident in the USA every 110 minutes; one is injured every nine minutes,

according to official data. Crosswalks can be especially dangerous for the elderly. Among people 70 and older,

36% of pedestrian deaths in 2006 occurred in crosswalks, compared with 21% of those younger than 70,

according to the Insurance Institute for Highway Safety.

     The Federal Highway Administration (FHWA) advise that next year states increase by nearly 15% the

amount of time traffic lights provide for pedestrians to cross the street after the flashing orange hand appears.

FHWA spokesman Doug Hecox says reasons for the change include an aging population that needs more time

to cross, health-conscious Americans walking more, children encouraged to walk to prevent getting overweight

and high gas prices pushing people to walk instead of drive.

     Pedestrian deaths went down by 12% from 5,449 in 1996 to 4,784 in 2006, Bur among those in 2006, 471

were killed in crosswalks, down slightly from 488 ten years earlier, the National Highway Traffic Safety

Administration (NHTSA) says.

1. Which of the following is true according to the text?

A. Among 100 pedestrian deaths there were 21 people younger than 70.

B. Old people are more likely to meet with accidents happened per hour.

C. Traffic accidents killed more old people than young people.

D. About seven traffic accidents happened per hour.

2. What is FHWA's suggestion to states?

A. Fixing more traffic lights

B. Providing more crosswalks

C. Giving pedestrians more time to cross streets

D. Drivers don't give way

3.  What’s the cause of the crosswalk safety problem according to the text?

A. There’re many cars and buses on the road.                         

B. Pedestrians are careless.

C. Crosswalks are more crowded than before.                        

D. Drivers don’t give way.

4. The report from NHTSA suggests that _____.

A. fewer people were injured in crosswalks

B. crosswalk safety has been greatly improved

C. much has been done to reduce traffic accidents

D. pedestrian deaths in crosswalks remain a serious problem

题型:多项选择题

2014年5月23日,行政诉讼法修正案草案提请全国人大常委会审议。这表明(    )

①全国人大常委会具有立法权        ②全国人大常委会具有监督权

③政府的权力需有效规范运行        ④我国国家机关之间相互制约平衡

A.①③

B.②③

C.②④

D.③④

题型:多项选择题

喷射混凝土具有柔性支护结构作用,其产生的效果有()。

A.使围岩的自支承得以充分发挥

B.可以和围岩产生一定量的径向位移

C.抑制围岩表面产生过大变形

题型:多项选择题

当代心理学对于人格的探究采取科学的途径为之,有别于封建与教条的道格规范取向。下列哪几种方法适合被用来探究人格?()

A、观察法:可系统的行为取样

B、臆测法:根据个人经验去猜测

C、相关法:进行问卷调查与测量

D、实验法:安排虚拟的社会情境来实验反应

E、单一受试法:兼采实验与个案法分析

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