后随链的合成方向是5'→3'。

题型:判断题

问题:

后随链的合成方向是5'→3'。

考点:基础医学河南中医学院《医学生物学》试题2
题型:判断题

每天傍晚,各班教室的灯都要陆续地亮起来,这个过程电路中的电阻是增加了还是减小了?为什么?

题型:判断题
“Take a walk with any three people and at least one of them will have something to teach you . ”
小题1:    it was Confucius(孔夫子) — China’s most famous thinker and teacher.
When Confucius was young , he visited many famous teachers and studied music , history , poetry(诗歌) and sports. At the age of 22, he became a teacher himself and started his own school. 小题2:    
For more than 2000 years, Confucius’ ideas have been around in people’s everyday lives. 小题3:   
Now they have gone far into east and south Asia. 小题4:    Because they help a lot not only in everyday life but also in society.
Confucius’ most important ideas are about kindness and good manners. Confucius said young people should take care of the old.小题5:      
Some of Confucius’ most famous sayings are: “A kind person should care for others”, and “be strict with yourself, but be kind to others”.
A.  Why are his ideas so popular?
B.  Do you know who said that?
C.  People can still hear them today.
D.  In his life, he had over 3000 students.
E.  How did he think up those important ideas?
F.  He also said that everyone should go to school if they want to learn.
题型:判断题

下面关于数据库数据模型的说法中,哪一个是错误的

A.任何一张二维表都表示一个关系

B.层次模型的结构是一棵有向树

C.层次模型是网状模型的一种特例

D.在面向对象模型中每一个对象都有一个惟一的标识

题型:判断题

下列关于工程咨询信息化的涵义概括有误的是( )。

A.业务管理信息化

B.办公自动化

C.客户服务信息化

D.咨询管理信息化

题型:判断题

人们常称为“头皮”的结构是指()

A.颅顶部的皮肤

B.颅顶部的皮肤和浅筋膜

C.皮肤和浅、深筋膜

D.皮肤、浅筋膜、帽状腱膜与枕额肌

E.由浅入深共5层结构

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