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问题 单项选择题 A1/A2型题

室内质控图中，警告线为（）

A.±1s

B.±3s

C.±4s

D.±2s

E.±5s

答案

参考答案：D

解析：室内质控图中，警告线为±2s，失控线为±3s。

阅读理解
Welcome to the 2012 London Olympic Games!
Archery
Archery has a 10,000-year history, when bows and arrows were first used for hunting and war. Archery first appeared at the Paris Olympics of 1900. It was removed after 1908 and only returned to the Olympics at Munich in 1972.
Did you know?
In the 14th century, archery was so important that an English law required every man, aged seven to 60, to practice it.
Badminton
This sport was invented by British soldiers in India who called it Poono, the same name as the town in which they lived.
It was first played at the Olympics in 1992 at Barcelona. Although the rules of the modern sport were developed in England, Asian countries are now the best.
Did you know?
The best balls are said to be made from the feathers of the left wing of a goose.
Football
There are two medal competitions for Olympic football, one for men’s teams and one for women’s.
Football was first played at the 1908 Olympic Games and it has been played at every Olympic Games every since, except for Los Angeles 1932.
Did you know?
Hungary has won three football gold medals——more than any other country.
Taekwondo
This Korean sport’s name means “the way of the hand and foot”,  The players get points by hitting each other with these two parts of the body only. The players mustn’t lie on the floor and no equipment can be used.
Taekwondo first appeared at the 2000 Sydney Games.
Did you know?
Over 60 million people for 190 countries around the world regularly take part in this sport.
小题1:Who invented the sport of badminton?
A．IndiansB．BritishC．ChineseD．Koreans
小题2:Which of these sports appeared earliest at the Olympics?
A．ArcheryB．BadmintonC． TaekwondoD．Football
小题3:Which sport was first named after a town?
A．BadmintonB．football.C． TaekwondoD．Archery
小题4:Where can you most probably find this web page?
A．sydney2000.comB．beijing2008.com
C．guangzhou2010.comD．london2012.com
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选择题

向某NaOH溶液中通入CO2气体后得溶液M，因CO2通入量的不同，溶液M的组成也不同．若向M中逐滴加入盐酸，产生的气体体积V(CO2)与加入盐酸的体积V(HCl)的关系有下列图示四种情况，且(2)、(3)、(4)图中分别有OA＜AB，OA＝AB，OA＞AB，则下列分析与判断不正确的是(不计CO2的溶解)

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A．M中只有一种溶质的有(1)和(3)

B．M中有两种溶质的有(2)和(4)

C．(2)图显示M中的溶质为NaHCO3和Na2CO3

D．(4)图显示M中c(NaOH)>c(Na2CO3)

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