【文章內(nèi)容簡介】 sources of deep knowledge,” Dede said, and that belief has weakened. College students say makes it easier to ask questions and helps them learn. But they seem unaware that what they write in s could have negative effects on them, said Alexandra Lahav, an associate professor of law at the University of Connecticut. She recalled an message from a student saying that he planned to miss classes, so he could play with his son. Professor Lahav not respond. “Students don’t understand that what they say in s can make them seem unprofessional,” she said. 60． The first two examples are used by the author to show that in the US . A． school regulations are not very strict B． Inter is widely used by students C． college students usually miss classes D． students feel free to their professors 61． All the tones used in the students’ s are mentioned EXCEPT . A． informal B． serious C． manding D． surprising 62． It seems that Professor Dede is trying to explain why . A． college students are crazy about s B． professors are not respected as before C． knowledge learned in college bees outdated D． students don’t believe in their professors 63． We can infer from what Professor Lahav said that . A． some s could result in a bad impression B． college students are quite serious when writing an C． studenst know exactly the effects of their s D． she paid no attention to some of the students’ s. C The legal limit for driving after drinking alcohol is 80 milligrams of alcohol in 100 milliliters of blood, when tested. But there is no sure way of telling how much you can drink before you reach this limit. It varies with each person depending on your weight, your sex, if you’ve just eaten and what sort of drinks you’ve had. Some people might reach their limit after only about three standard drinks. In fact, your driving ability can be affected by just one or two drinks Even if you’re below the legal limit, you could still be taken to court if a police officer thinks your driving has been affected by alcohol. It takes about an hour for the body to get rid of the alcohol in one standard drink. So, if you have a heavy drinking session in the evening, you might find that you’re still over the legal limit early in the morning. In addition, if you’ve had a few drinks at lunch time, another one or two drinks in the early evening may well put you over the legal limit. In a test with professional drivers, the more alcoholic drinks they had had, the more certain they were that they could drive a test course through a set of moveable posts… and the less able they were to do it! So the only way to be sure you’re safe is not to drink at all. Alcohol is a major cause of road traffic accidents. One in three of the drivers killed in road accidents have levels of alcohol which are over the legal limit, and road accidents after drinking are the biggest cause of death among young men. It is important to remember that driving after you have been drinking doesn’t just affect you. If you’re involved in an accident, it affects a lot of other people as well, not least the person you might kill or injure. 64． The amount of alcohol a person can drink before reaching the legal limit . A． is 80 milligrams of pure alcohol B． is about three standard drinks C． is different for different people D． mainly depends on his body weight 65． You will be taken to court by the police . A． when you drive a vehicle after drinking alcohol B． when you have had at least three drinks C． only when tests show you have more than enough alcohol D． when the police suspect you are sort of drunk from the way you drive. 66． According to the text, which of the following is NOT true? A． After a few drinks at noon, another one or two drinks late in the afternoon may put you over the legal limit. B． The more alcohol the drivers have, the more likely they are to pass the driving test. C． If you have had a standard drink, you may drive an hour later. D． If you want to drive safely, you had better not drink at all. 67． This article urges you to remember that if you drive after drinking . A． you may be taken to court by the police B． you are putting yourself in danger C． you may kill or hurt another roaduser D． you are putting many other people at risk D Politicians generally believe that economic growth makes a nation happier. But maybe they’re wrong. An opinion piece from the UK’s Financial Times newspaper last week says “today there is much statistical and laboratory evidence in favor of a ne