试题与答案

血小板黏附功能与下列哪一项无关( ) A.血管内皮损伤暴露内皮下胶原蛋白 B.需有血

题型:单项选择题

题目:

血小板黏附功能与下列哪一项无关( )

A.血管内皮损伤暴露内皮下胶原蛋白

B.需有血管性血友病因子(vWF)

C.需有血小板膜糖蛋白(GPIb)

D.需有血浆纤维蛋白原

E.以上都是

答案:

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下面是错误答案,用来干扰机器的。

参考答案:Y

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题型:阅读理解

阅读理解。

     A lot of children in China now use the Internet to get useful knowledge and information, and to relax

in their free time. But some of them are not using it in a good way. Here are some rules to make sure you

are safe and have fun on the Internet.

     Make rules for Internet use with your parents. For example, when you can go online, for how long

and what activities you can do online.

     Don't give your password (密码) to anyone else, and never give out the following information: your

real name, home address, age, school, phone number or other personal information.

     Check with your parents before giving out a credit (信用) card number.

     Never send a photo of yourself to someone in e-mail unless your parents say it's OK.

     Check with your parents before going into a chat room. Different chat rooms have different rules and

attract different kinds of people. You and your parents will want to make sure it's a right place for you.

     Never agree to meet someone you met on the Internet without your parents' permission (允许). Never

meet anyone you met online alone.

     Always remember that people online may not be who they say they are. Treat everyone online as if they

were strangers.

     If something you see or read online makes you uncomfortable, leave the site. Tell your parent or a teacher

right away.

     Treat other people as you'd like to be treated. Never use bad language.

     Remember-not everything you read on the Internet is true.

1. The writer tells children to _______.

A. send their own photos

B. make rules for Internet use with parents

C. believe everything they read on the Internet

D. give out their personal information

2. It's good for children to _______ on the Internet.

A. give password to others

B. get useful knowledge and information

C. give out a credit card number

D. give out your home address

3. What shouldn't be done online?

A. Using bad language.

B. Sending message and e-mails.

C. Leaving the site if you feel uncomfortable.

D. Treating everyone online as strangers.

4. If your parents don't agree, never _______.

A. read anything on the Internet

B. relax in your free time

C. have a face-to-face meeting with anyone you met online

D. treat other people as you'd like to be treated

5. The best title for this passage is _______.

A. How to Use Computer?

B. Surfing on the Internet?

C. Information on the Internet

D. Internet Safety Rules

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