诊断口腔颌面部肿瘤可靠的方法是A．穿刺检查 B．X线检查 C．活体组织检查 D．超声

不等式x﹣3＞4x的解集为（    ）．

Brunnstrom运动功能评价，右下肢处于

A．1期

B．2期

C．3期

D．4期

E．5期6期

随着宏观经济调控政策的逐步落实，我国经济增速会适度放缓，对石油天然气资源的需求有所减少，供求矛盾在一定程度上将得到缓解。根据国际能源署的最新预测，今年我国原抽产量将达1.75亿吨，比去年增长 1%；而原油消费量将有可能突破3亿吨，比去年增长12%左右，进口将会超过1亿吨，有可能接近1.2亿吨，比去年增长30%左右。 根据这段文字，我们可以知道：( )

A．我国原油供给紧张

B．我国原油消费主要靠进口

C．我国对进口原油的依赖加大

D．我国对能源的需求会越来越少

有一个边长为2×10^－2米、质量为1.6×10^－2千克的正方体合金块，放在一块质量4×10^－3千克，底面积为1×10^－2米²的木板中央，然后将它们放在水平地面上。求：

（1）合金块的密度。

（2）木板对地面的压强。

Thanks to the Internet, a whole new online world has been opened up for us to meet, chat and go where we’ve never been before.

But just as in face to face communication, there are some rules of behavior that should be followed when on line.  The basic rule is simple: treat others in the same way you would want to be treated.   Imagine how you’d feel if you were in the other person’s shoes.

For anything you’re about to send: ask yourself, “Would I say this to the person’s face?” if the answer is no, rewrite and reread.  Repeat the process till you feel sure that you’d feel comfortable saying words to a person’s  face.

If someone in the chat room is rude to you, your instinct (本能) is to fire back in the same manner. But try not to do so.  Just pay no attention to it, or block his message.  If it was caused by a disagreement with another member, try to fix the situation by politely discussing it. Remember to respect the beliefs and opinions of others in the chat room.

Everyone was new to the network once.  Offer advice when asked by newcomers, as they may not be sure what to do or how to communicate. When someone makes a mistake, whether it’s a stupid question or an unnecessarily long answer, be kind about it. If it’s a small mistake, you may not need to say anything. Even if you feel strongly about it, think twice before saying anything. Having good manners yourself doesn’t give you license to correct everyone else.

If you do decide to tell someone about a mistake, point it out politely At the same time, if you find you are wrong, be sure to correct yourself and apologize to those that you have offended.

It is not polite to ask others personal questions such as their age, sex and marital status. Unless you know the person very well, and you are both comfortable with sharing personal information, don’t ask such questions.

小题1:When you send short messages to a person, you must _______.

A．make sure they mean no harm

B．read them again and again

C．say something good to hear

D．repeat them later to his face小题2:If you are hurt in the chat room by others, you should_____.

A．fight back in the same way

B．take it seriously

C．be angry at them

D．have none of them小题3:If a newcomer who communicates online makes a mistake, you ___.

A．should point it out immediately

B．can say something about it

C．have the duty to correct it

D．shouldn’t give advice unless required小题4:The passage mainly tells us _______.

A．rules of the chat room

B．some rules of Internet communication

C．ways of sending messages

D．ways of making online friends