14．The New York Timeswas(be) first published in 1851．——青夏教育精英家教网—

8．The Internet has opened up a whole new online world 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．（61）D 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．（62）B
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．（63）FIf 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．
（64）COffer 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 a license to correct everyone else．（65）G At the same time，if you find you are wrong，be sure to correct yourself and apologize to those that you have offended （冒犯）．
It is not polite to ask others personal questions such as their age，sex and marital status （婚姻地位）．Unless you know the person very well，and you are both comfortable with sharing personal information，don't ask such questions．

A．It's natural that there are some people who speak rudely or make mistakes online．
B．Repeat the process （过程） till you feel sure that you'd feel comfortable saying the words to the person's face．
C．Everyone was new to the network once．
D．The basic rule is simple：treat others in the same way you would want to be treated．
E．When you send short messages to a person online，you must say something beautiful to hear．
F．You should either ignore the person，or use your chat software to block their messages．
G．If you do decide to tell someone about a mistake，point it out politely．

7．Some colors people see late at night could cause signs of clinical（临床的）depression （沮丧）．That was the finding of a study that builds on earlier study findings．They show that individuals （个人） who live or work in low levels of light overnight （整夜） can develop clinical depression．Doctors use the word"clinical depression"to describe severe form of depression．Signs may include loss of interest or pleasure in most activities，low energy levels and thoughts of death or suicide．
In the new study，American investigators designed an experiment that exposed hamsters（仓鼠）to different colors．The researchers chose hamsters because they are nocturnal（夜行的），which means they sleep during the day and are active at night．
The animals were separated into four groups．One group of hamsters was kept in the dark during their night-time period．Another group was placed in front of a blue light，a third group slept in front of a white light，while a fourth was put in front of a red light．
After four weeks，the researchers noted how much sugary water the hamsters drank．They found that the most depressed animals drank the least amount of water．
Randy Nelson heads the Department of Neuroscience at Ohio State University．He says animals that slept in blue and white light appeared to be the most depressed．"What we saw is that these animals didn't show any sleep uneasiness （不安） at all but they did mess up biological clock genes and they did show depressive sign while if they were in the dim（微弱）red light，they did not．"
Randy Nelson notes that photosensitive（感光）cells in the eyes have little to do with eyesight．He says these cells send signals to the area of the brain that controls what has been called the natural sleep-wake cycle．
He says there's a lot of blue in white light．This explains why the blue light and white light hamsters appear to be more depressed than the hamsters seeing red light or darkness．

58．Researchers use hamsters in the experiment becauseD．
A．they are similar to humans in dealing with colors
B．they are easy to observe and study
C．they are sensitive to colors like human beings
D．they are active at night and sleep during the day
59．What sign shows that the hamsters are being depressed？A
A．They drink less sugary water．
B．They don't sleep well．
C．Their eyesight becomes worse．
D．Their energy level becomes low．
60．What can help people who work late at night to avoid being depressed？B
A．Not being exposed to dim red light when using computers．
B．Equipping their computer screens to put it more in the reddish light．
C．Living or working in low levels of light overnight．
D．Going to see doctors of clinical depression regularly for help．

6．People all need friends because nobody wants to be lonely and a friend can help you in good and bad times．You have made friends since childhood，but you still don't know who your true friends are．Here are some signs to tell you if your friend is a true friend：
Always honest
Honesty is important to keep a relationship alive．A true friend always tells you the truth．It may be hard sometimes but lying can destroy a friendship．It is important that your friend speaks honestly and never makes up stories．
There are always periods in your life when you have problems or difficulties．A true friend will always have time to listen to your problems and give advice．It may not be able to offer a solution to your problems but the fact that your friend made time to listen is a sign he/she cares for you．Your friend is not a true friend if he/she can never make time for you when you are in trouble．You also need to be reasonable and accept that your friend also has other things to do so he/she can't always listen immediately to your problems．
Always respectful （尊敬的）
A true friend will always respect your opinion no matter whether he/she agrees or not．Your true friend may disagree but never insists that he/she is correct．
Always understanding
It is possible that some problems will arise between you and your friend．A true friend will always be forgiving （体谅的） and understanding even if it isn't his/her fault．We are all different people and we all make mistakes．A true friend is always forgiving and understanding because he/she doesn't want to take the risk of losing his/her best friend．

50．What's the best title for the third paragraph？A
A．Always there for you
B．Keep your secrets
C．Always happy for you
D．Remember your important days
51．According to the passage，a true friend will alwaysD．
A．follow your advice
B．offer a solution for your problems
C．listen immediately to your problems
D．respect your opinion even if he/she disagrees with it
52．Which of the following is NOT mentioned in the passage？C
A．Never tell lies to friends．
B．Making time for friends．
C．Sharing fun with friends．
D．Paying attention to a friend's opinions．
53．What's the author's purpose in writing this passage？D
A．To teach us how to make true friends
B．To find out how long a friendship can last．
C．To introduce his experience in making friends．
D．To tell us how to find out if a friend is a true friend．

5．The way he thought of _________ the problem is very useful．（　　）

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