[简答题]Think of those fleeting moments when you look out of an aeroplane window and realise that you are flying, higher than a bird. Now think of your laptop, thinner than a brown-paper envelope, or your cellphone in the palm of your hand. Take a moment or two to wonder at those marvels. You are the lucky inheritor of a dream come true. The second half of the 20th century saw a collection of geniuses, warriors, entrepreneurs and visionaries labour to create a fabulous machine that could function as a typewriter and printing press, studio and theatre, paintbrush and gallery, piano and radio, the mail as well as the mail carrier. (41) The networked computer is an amazing device, the first media machine that serves as the mode of production, means of distribution, site of reception, and place of praise and critique. The computer is the 21st century’s culture machine. But for all the reasons there are to celebrate the computer, we must also tread with caution. (42)I call it a secre

[简答题]Think of those fleeting moments when you look out of an aeroplane window and realise that you are flying, higher than a bird. Now think of your laptop, thinner than a brown-paper envelope, or your cellphone in the palm of your hand. Take a moment or two to wonder at those marvels. You are the lucky inheritor of a dream come true. The second half of the 20th century saw a collection of geniuses, warriors, entrepreneurs and visionaries labour to create a fabulous machine that could function as a typewriter and printing press, studio and theatre, paintbrush and gallery, piano and radio, the mail as well as the mail carrier. (41) The networked computer is an amazing device, the first media machine that serves as the mode of production, means of distribution, site of reception, and place of praise and critique. The computer is the 21st century’s culture machine. But for all the reasons there are to celebrate the computer, we must also tread with caution. (42)I call it a secre

[单项选择]
When you think about math, you probably don’t think about breaking the law, solving mysteries or finding criminals. But a mathematician in Maryland does, and he has come up with mathematical tools to help police find criminals.
People who solve crimes look for patterns that might reveal the identity of the criminal. It’s long been believed, for example, that criminals will break the law closer to where they live. simply because it’s easier to get around in one’s own neighborhood. If police see a pattern of robberies in a certain area, they may look for a suspect who lives near the crime scenes. So, the farther away from the area a crime takes place, the less likely it is that the same criminal did it.
But Mike O’Leary, a mathematician at Towson University in Maryland, says that this kind of approach may be too simple. He says that police may get better clues to the location of an offender’s home base by combini
A. It is too difficult for the police to use in finding criminals.
B. Few people associate it with finding criminals.
C. Some criminals make use of it when committing crimes.
D. it has long been employed in solving crimes.

[单项选择]

When you think of the Internet, you probably think of ".com." Just what do those three letters at the end of a World Wide Web address mean Every computer that hosts data on the Internet has a (71) numerical address. For example, the numerical address for the White House is 198.137.240.100. But since (72) people want to remember long strings of numbers, the (73) was developed. It is a critical part of the Internet’s technical infrastructure, correlates a numerical address to a word. To (74) the White House website, you could type its numerical address into the address box of your web browser. But most people prefer to use "www.whitehouse.gov." In this case，the domain name is (75) .

（71）处填（）。
A. unique
B. isolated
C. similar
D. same

[单项选择]--I always look out when crossing the street.
--You are right. You can't be too ______.（　）
A. nervous
B. careful
C. careless
D. hurried

[单项选择]Will you buy me ______ stamps when you go out
A. some B. any C. little D. a few of

[简答题]You should cut out unnecessary words when you write an article.

[简答题]Do you often look out of the windows while you _________lessons

[单项选择]When you think of the tremendous technological progress we have made, it’s amazing how little we have developed in other respects. We may speak contemptuously of the poor old Romans because they relished the orgies of slaughter that went on in their arenas. We may despise them because they mistook these goings on for entertainment. We may forgive them condescendingly because they lived 2000 years ago and obviously knew no better. But are our feelings of superiority really justified Are we any less bloodthirsty Why do boxing matches, for instance, attract such universal interest Don’t the spectators who attend them hope they will see some violence Human beings remain as bloodthirsty as ever they were. The only difference between ourselves and the Romans is that while they were honest enough to admit that they enjoyed watching hungry lions tearing people apart and eating them alive, we find all sorts of sophisticated arguments to defend sports which should have been banned long ago; spor
A. that, by banning the violent sports, we human beings can improve ourselves
B. that, by banning the dangerous sports, we can improve the law
C. that we must take positive steps to improve social welfare system
D. to show law is the main instrument of social change