问题 单项选择题 A1/A2型题

关于腮腺炎病毒与麻疹病毒的描述,不正确的是()。

A.均属于副黏病毒科

B.均可引起两次病毒血症

C.均通过飞沫传播

D.核心均为单股负链RNA

E.仅麻疹病毒外被有脂质双层包膜

答案

参考答案:E

解析:麻疹病毒和腮腺炎病毒都外被脂质双层包膜。

阅读理解

阅读理解。

      People have lots of different thoughts that they wish to express. For

many reasons, most people just keep their thoughts to themselves and never

tell them to others.Another form of self-expression is the written word.

For many people, it is easier for them to express their thoughts or

emotions in writing, instead of speaking them out. It is an especially

popular way for expression among shy and highly self-conscious

(自尊) people.People's thoughts are written down and then

published(出版) so that others can read and enjoy them. There are

many reasons why newspapers and publishers actually publish

people's thoughts, but the major reason is to give information.With

the introduction of newer technologies, new ways now appear to

share people's ideas quickly. Blogs are just one way.People can

now let the world know their hopes, dreams and day to day activities

through a web blog. Better than that, many sites allow customers to

words web and log. Slogging is the term that is used to refer to

activities relating to a blog, such as creating it, updating and

adding content(内容). And the blogger is the person who puts that

content on the blog.Blogs can be very powerful. Blogs can change

the world by changing the opinions of large numbers of people

around the world

1. People who are shy would like to express their thoughts by _____.      

A. writing      

B. reading      

C. speaking      

D. thinking

2.According to the passage, the major reason that newspapers publish people's thoughts is to _____.     

A. make money             

B. make them well-known      

C. give information               

D. let people relax

3.he latest and quickest way for you to share your thought with others is _____.    

A. publishing it on the newspaper      

B. taking part in the everyday activities      

C. talking to everybody you meet about it       

D. writing blogs on the web

4. The sixth paragraph is probably to ____.     

A. tell us the web blog is very interesting      

B. tell us how to write a blog      

C. explain the meaning of some related words      

D. show us the importance of the blog

5. Which of the following is NOT true according to the passage?      

A. No sites can help you create your own web blog for free.      

B. Blogs can affect people around the world greatly.      

C. The blogger is the person who puts some content on the blog.      

D. A web blog can let the world know your wishes and dreams

单项选择题