[单项选择] Questions 49 to 52 are based on the following passage: (2004版第45课Oil ) What was the origin of the oil which now drives our motor-cars and aircraft Scientists are confident about the formation of coal, but they do not seem so sure when asked about oil. They think that the oil under the surface of the earth was formed from living things in the sea. Countless billions of minute sea creatures and plants lived and sank to the sea bed. They were covered with huge deposits of mud; and by processes of chemistry, pressure and temperature were changed through long ages into what we know as oil. For these creatures to become oil, it was necessary that they should be imprisoned between layers of rock for an enormous length of time. The statement that oil originated in the sea is confirmed by a glance at a map showing the chief oilfield of the world; very few of them are far distain from the oceans of today. In some places gas and oil come up to the surface of the sea from its bed. The rock
A. oil was formed from large deposits of mud on the sea bed.
B. coal was formed from shale under the surface of the earth.
C. oil was formed from sea creatures caught between layers of rock.
D. oil was formed from sea water by processes of chemistry, pressure and temperature.

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[单项选择]Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now listen to the passage.

What does the passage mainly discuss
A. How canals are constructed.
B. Common types of canal boats and barges.
C. The world’s largest canals.
D. How canals are used and classifie

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[填空题]Questions 47 to 56 are based on the following passage.
The World Health organization is (47) countries to follow six policies to (48) millions of tobacco-related deaths. The six policies are known as MPOWER, spelled M P-O-W-E-R.
The M is for (49) tobacco use and prevention policies. The P is for protecting people by establishing (50) areas. O stands for offering services to help people stop smoking. W is for warning people about the (51) of tobacco. E is for enforcing bans on tobacco advertising and other forms of marketing. And R is for raising taxes (52) tobacco.
The WHO says in a major new report that raising taxes is the single most (53) way to reduce tobacco use. A study found that governments now collect an (54) of five hundred times more money in tobacco taxes each year than they spend on control efforts.
The WHO says tobacco now (55) more than five million deaths

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[填空题]Questions 47 to 51 are based on the following passage.
A famous US climate scientist at the centre of the "climategate’ has been virtually cleared of professional misconduct by an internal university inquiry. Michael Mann of Penn State University featured regularly in the more than 1 000 emails that were hacked from the University of East Anglia (UEA) in the UK last November. His emails and comments have since then featured in countless blogs and news articles. Some have claimed the emails reveal that many climate scientists have changed data in order to demonstrate that climate change is caused by human activities. The scientists in the emails, including Mann, have also been accused of seeking to prevent the publication of doubting research in academic journals.
Penn State University opened an inquiry into Mann’s behavior in November, shortly after the emails were leaked into the public attention. After going through 1 075 emails and focusing on that were believed

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