As you study a globe,you may notice that ______ of the large land and areas are connected,or ______so.

A.most;almost　　　 B.nearly;almost　　 C.mostly;nearly　　 D.almost;most

 

21．The first intercity train between Beijing and Tianjin, ________ to run at a speed of 350 km per hour, leaves Beijing for Tianjin on August 1, 2008.

A．to design　　　　　B．designing　　　　　C．designed　　　　　D．having designed

22．A majority of adults say they find the crying experience helpful, but about 10 percent feel ________ after they cry.

A．bad　　 B．worse　　 C．worst　　 D．better　　

23．—Jack ________ for work in the downtown.

—________， but he had no luck.

A．ought to have hunted; So he did　　 B．ought to have hunted; So he was

C．ought to hunt; So he has　 D．ought to hunt; So he did

24．To be accepted to study at Yale, applicants must apply directly to the school, college, or program ________ the degree will be awarded.

A．where　　 B．which　　 C．who 　 D．that　　

25．Lucy is an honest girl; I say it, ________ I don't like her.

　 A．even though　　 B．as if　　 C．as long as　　 D．as far as

26．Illinois Governor Rod Blagojevich was removed from office, eight weeks after he was arrested on charges of trying to sell the US Senate seat once ________ by President Barack Obama.

A．holds　　 B．held　　 C．holding　 D．having held

27．Our store closes in five minutes, ________ please bring your final purchases to the cashier now.

A．while　 B．or　 C．so　 D．but

28．Every reasonable ________ has been made to trace the owners of copyright materials in this book, but in some cases this has proved impossible.

A．way　　 B．measure　　　 C．potential　　 D．effort

29．On 2008 World Food Day, the United Nations launched the International Year of the Potato which focused on the humble vegetable discovered in Peru that ________ main diet around the globe.

A．becomes　　 B．had become

C．has become　　 D．would become

30．—How soon will you return home?

—________， but perhaps in a week when I have finished my talk with that company.

A．I guess　　 B．I'm sure

C．Don't say so　 D．It depends

31．I haven't heard ________ of his songs, but judging from the few I've heard, I think he has a gift for singing.

A．every B．all C．both　 D．none

32．—Uh, by the way, is this your first visit to the country?

—Well, yes and no. ________， I was born here, but this is my first trip back here.

　 A．Generally　　　 B．Actually　　 C．Indeed　　 D．Frequently

33．One of the consequences of our planet's being warming up is a(n) ________ in the number of natural disasters.

　 A．result　 B．cause　　　 C．reason　　　 D．increase

34．When Alford's back was broken, he told himself, “You can't ________. You have too much to live for.”

A．give up B．give out　　 C．give off　　 D．give away

35．—Is Susan coming to this meeting?

—________.

A．No wonder　 B．Believe it or not

C．I suppose so　　 D．Even so

 

Many environmentalists think that carbon dioxide is _______ for the global warming, which affects billions and billions of species across the globe.

A. blamed　 　　　　 B. to be blamed　 　　C. to blame　 　　　 D. blaming

 

The Haitian tsunami gave scientists a chance to find out how well vital and potentially life-saving warning systems were working.

　 Noaa’s Pacific Marine Environmental Laboratory has developed a warning system that picks up signals of tsunamis directly from the sea-floor.

　 It is called Dart-the-Deep-ocean Assessment and Reporting of Tsunamis. If seismometers(地震仪) detect an earthquake, the Dart buoys（浮标） will determine what is happening to sea levels, and whether a big wave might be on the way. This information is then sent via satellite to a central location which can organize an alarm. Within 50 minutes of the Haiti earthquake, this system was able to issue an alarm to other countries in the Caribbean to say that a small tsunami had been caused to start, and that was unlikely to affect them.

　 Dr Bernard said, “The first 30 minutes following the earthquake, we have to rely on education.” The critical aspects of this are: do you feel the earthquake; do you see the ocean draw down; and do you hear that loud roar? If so, you should run for higher ground.

　 “But after the first few minutes, it’s crucial that we have the technology—the measurements to avoid unnecessary evacuation(疏散撤离) and tell people when it is safe to return.” Right now, there are 50 of these Dart buoys all over the globe—four of which are in the Caribbean.

Dr Bernard says that, with 75 to 100 buoys worldwide, this system could provide global tsunami warnings within one hour.

“That’s for everywhere we know that tsunamis have happened. If we wanted to go to half an hour detection, we could probably double or multiply by four times that number,” he said.

　 “In some countries, including Haiti, there may not be enough resources to support a specific tsunami warning centre for something that happens so infrequently.”

　 He said that this system was relatively inexpensive to fix and operate.

　 “To get it down to an hour for everywhere affected would cost $50m initial investment and then 10% of that to maintain it,” he said.

　 “That’s not a terribly expensive system considering the potential savings of lives.”

1 In which section would you probably read the passage in a newspaper?

A. Education and Society　　　

B. Culture and Leisure

C. Science and Technology　　　

D. Health and Medicine

2. How many buoys would at least be needed for global tsunami warnings within half an hour?

　 A. 150　　　　　　　　 B. 100　　　

C. 75　　　　　　　　　 D. 50

3. Which of the following can be inferred from the passage?

　 A. The system can warn people of the coming of tsunami directly after the earthquake.

　 B. We can’t escape the danger of tsunami within 30 minutes following the earthquake.

　 C. Each country can easily afford a tsunami warning centre though it seldom happens.

　 D. It’s worthwhile to spend money on the warning system for possible savings of lives.

4. Which of the following would be the best title for this passage?

　 A. Tsunami Assessment　　　　

B. Earthquake detecting

　 C. Disaster Warning System　　

D. Life Saving System