关于透镜,下列说法中正确的是 [ ] A. 光线通过凹透镜一定不会相交 B. 光

题型:选择题

问题:

关于透镜,下列说法中正确的是 [ ]

A. 光线通过凹透镜一定不会相交

B. 光线通过凸透镜一定能会聚于一点

C. 凸透镜只对平行光有会聚作用

D. 一个凸透镜有两个实焦点

考点:凸透镜对光的作用凹透镜对光的作用
题型:选择题
阅读短文,根据其内容完成下列表格。下面是李国龙先生写的求职信及个人简历,请根据信的内容,将其简历补充完整(每空不超过两个单词)。
73 Xinchang Road, Beijing
June 7, 2008
Dear sir,
I am writing to introduce myself, with the hope of getting the job you advertised in Daily News.
When I was a child, I was fond of English and always got good grades. In 1994, after six years of hard work in Beijing No. 4 Middle School, I entered People’s University. I studied English there for four years.
Luckily, I got my first job when I graduated. I taught English in Beijing No. 4 Middle School from 1998 to 2001. Then I got the chance to receive further education in University of Hawaii in the US. That was a precious experience of my life. I learnt a lot during those two years, especially the differences between eastern and western cultures.
I came back to People’s University in 2003. I worked as an assistant(助手) for 2 years and then as a professor. So far, I have got 8 years of working experience.
I won lots of awards. I was an “Excellent Student” of People’s University in 1997, and “Outstanding Teacher” of Beijing No. 4 Middle School in 2000.
Thank you for reading my letter, and I will appreciate it very much if you can reply soon.
Yours sincerely
Li Guolong
Curriculum Vitae(个人简历)
Name: Li Guolong
小题1:: 73 Xinchang Road, Beijing
Telephone: (010)71785210
Date of birth: May 8, 1975
Nationality: Chinese
小题2:: 1988 – 1994  Beijing No. 4Middle School
1994 – 1998  People’s University, Beijing. Major: English
2001 – 2003  University of Hawaii, the US
Working Experience: 1998 – 2001小题3: Beijing No. 4 Middle School
2003 – 2005 小题4:   People’s University
2005 – present  Professor   People’s University
Awards:  1997  “小题5:”, People’s University
2000  “Outstanding Teacher”, Beijing No.4 Middle School
题型:选择题

下列说法中正确的是(  )

A.在滴加石蕊试液显红色的溶液中,Fe3+、Cl-、NH4+、SCN-可以共存

B.常温常压下,100 mL 0.5 mol/L醋酸溶液中,醋酸分子的数目小于0.05 mol

C.根据是否具有丁达尔效应,可将分散系分为溶液、浊液和胶体

D.利用溶解性的不同,可用酒精将碘水中的碘萃取出来

题型:选择题

不能杀灭芽孢的化学消毒剂是()。

A.环氧乙烷

B.0.2%聚维酮碘

C.过氧乙酸

D.40%甲醛

E.2%戊二醛

题型:选择题

亚健康状态是指()

A.介于无症状疾病和有症状疾病之间的第三状态

B.虽然无临床症状,但各种检查可以发现阳性结果

C.介于健康和疾病之间的一种生理功能降低状态

D.无症状疾病

E.机体出现亚临床损害

题型:选择题

桥上行车面标高到桥跨结构最下缘之间的距离为()。

A.桥梁高度 

B.建筑高度 

C.净矢高 

D.计算矢高 

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