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- A.Definite
- B.Dubious
- C.Serious
- D.Negative
- A.To make a transition to a new topic.
- B.To work as a book to the following paragraphs.
- C. To provide a contrast to the preceding paragraphs.
- D.To offer supporting evidence to the preceding paragraphs.
- A.half of the area will follow a wetter trend， while half a drier trend
- B.the scientists in North Afrca hold different opinions in climate models
- C.it is not easy to predict how the climate change influences the district
- D.there are different climate models to be built in North Africa
- 5
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According to Martin Claussen， what is the main cause of the increased vegetation in deserted areas?
- A.The climate models are more changeable.
- B.Hot air would be more capable to hold humidity.
- C.Many trees have been planted recently.
- D. The grasses are temporarily appeared with the rains.
- An explosion in plant growth has been predicted by some climate models.For instance， in 2005 a team led by Ｒeindert Haarsma of the Ｒoyal&nbs
- A.water deficiency
- B.distress
- C. desertifications
- D. more grasses and lakes
- A. The dallar has little respect in New England.
- B. Europeans begin to think more warmly of the U.S..
- C.Imported food is more expensive to the Americans.
- D.Some large American corporations make more profits.
- A.They treat the dollar with a little respect.
- B.They try to win in the weak－dollar gamble.
- C.They treasure their marriages all the more.
- D. They vacation at home rather than abroad.
- A.They have to cancel their vacations in New England.
- B.They find it unaffordable to dine in mom－and－pop restaurants.
- C.They have to spend more money when buying imported goods.
- D. They might lose their jobs due to potential economic problems.
- A.They think of it as a good tourist destination.
- B.They feel contemptuous of it.
- C.They regard it as a superpower on the decline.
- D.They are sympathetic with it.
- A.跟单商业信用证
- B.进口押汇
- C.福费廷
- D.保理融资
