引起前庭障碍性呕吐的疾病是（） A.癔症 B.脑震荡 C.美尼尔病 D.颅内血肿 E

方程x³-6x²+9x+1=0的实根个数是（　　）

A．1

B．2

C．3

D．4

阅读下面的短文，请根据短文后的要求将答案答题（请注意问题后的要求）

In order to be a success in the American business world, you must get along with people. You must learn to behave yourself in such a way that you earn the affection（关爱）and respect of others. As we have already pointed out, Americans mix business and pleasure. Therefore, learning how to chat informally（非正式地）can be a help with your American business contracts. Americans like to talk about a number of different topics—sports, politics, cars, popular movies, television shows and personal interests.

Many large American cities have sports teams. If you are working with Americans in the United States, it would be a good idea to find out about the local sports teams so that you can join in the almost inevitable discussions about “What our team will do this year.” Politics can be a sensitive topic unless everyone is of the same mind politically. Limit your discussions to asking questions of your friends. Most Americans are car owners and some are even obsessive（着迷的）about the subject. You can contribute to the discussion by talking about cars you have owned or by sharing information you have had in automotive magazines. Americans watch television almost every night and attend movies regularly, so naturally ___________________________.

If you are unable to watch American television or attend American movies, reading the entertainment section of such magazines as Time and Newsweek will keep you up to date on what is popular in America.

小题1: What’s the best title of the passage? (Please answer within 10 words.)

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小题2: Why should people be careful with the topic—politics? (Please answer within 8 words.)

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小题3: Please fill in the blank in the second paragraph with proper words or phrases to complete the sentence. (Please answer within 10 words.)

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小题4: Translate the underlined sentence in the first paragraph into Chinese.

___________________________________________________________________________

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小题5: Suppose you are doing business in America, what would you do to be a success in business world? (Please answer within 20 words.)

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ISO定义了网络管理的五大功能，包括：故障管理、安全管理、计费管理、性能管理和（）。SNMP是一个（）的协议，其网络管理模型由（）三部分构成。SNMP的命令有（）和trap，其中trap操作用于（）。

其中trap操作用于（）

A．管理代理查询管理信息库

B．管理代理向管理进程报告异常事件

C．管理信息库向管理代理报告异常信息

D．管理进程向管理代理发送指令

脾之大络的分布特点是

A．阴经别络于阳经，阳经别络于阴经
B．阳经别络于阳经，阴经别络于阴经
C．散布于胸胁
D．别走腹部沟通腹部经气

简述玻璃熔制的五个阶段？