[单项选择]Britain’s longest rivers are（　）
A. the Severn and the Clyde
B. the Thames and the Clyde
C. the Clyde and the Humber
D. the Severn and the Thames

[单项选择] From Dr. R. S. Scorer of Britain’’s Imperial College of Science comes the latest theory about the cause of lightning flashes. Dr. Scorer believes the cause is hail falling through supercooled clouds. Ice particles bouncing off the falling hail acquired a positive charge and rise to the top of the cloud while the hail carries a negative charge to the bottom of the cloud. According to Dr. Scorer, Benjamin Franklin first proved thunderclouds are charged with electricity. Later investigation showed that the tops of the clouds have a great positive charge and the bottoms a great negative charge. When the charges become great enough to break down the insulating properties of the air, lightning flashes carry the electricity within the cloud, or from cloud to cloud, or from cloud to earth. But the question remained: how do the charges develop within the cloud To seek the cause, Dr. Scorer and his colleagues at the college first duplicated thundercloud currents in a liquid t
A. law
B. hypothesis
C. guess
D. theory

[单项选择]The longest river in Britain is ______.
A. the Severn
B. the Clyde
C. the Thames
D. the Tyne

[单项选择]Britain’’ s press is unusual______ it is divided into two very different types of newspaper: the quality press and the popular press.
A. in how
B. in what
C. in which
D. in that

[单项选择]Britain’s undeclared general election campaign has already seen the politicians trading numbers as boxers trade punches. There is nothing new in such statistical slanging matches (相互谩骂). What is new is an underestimation of worry about what has been happening to official statistics under the Labour government.
One of the most important figures for Gordon Brown when presenting his pre-election budget on March 16th was the current-budget balance. This is the gap between current revenues and current spending. It matters to the chancellor of the exchequer(财政部长) because he is committed to meeting his own "golden rule" of borrowing only to invest, so he has to ensure that the current budget is in balance or surplus over the economic cycle.
Mr. Brown told MPs that he would meet the golden rule for the current cycle with & 6 billion ( $11.4 billion) to spare--a respectable-sounding margin, though much less than in the past. However, the margin would have been halved but for an obscur
A. the British politicians are often compared to boxers by the people.
B. it is a common practice that the government plays with figures.
C. people often overestimate the credibility of official statistics.
D. the Labor government usually underestimate its official figures.

[填空题]Britain’s dependency on certain essential services has greatly widened and become a key role in the country’s ______.

[单项选择]
Britain’s sandwich business is expanding fast. Half the population buy sandwiches at least twice (29) week, and they are spending more (30) them. (31)
sandwiches are made at home, while (32) from shops are selling in growing numbers.
One reason is that packaging keeps sandwiches fresh for up to 48 hours, making (33)
possible to mass-produce them centrally and distribute them widely. (34) reason is that petrol stations, wanting to expand the range of (35) they sell, have quickly become major outlets for sandwiches.
The increase in sandwich sales has also been helped by changing social trends. Many people have stopped (36) family meals at home, and (37) choose the time and place to eat. Time has become more important than price, (38) convenience is the most important reason (39) all.
Taken together, these changes
A. unless
B. whether
C. although