[单项选择]London has (21) of about 7,000,000. From about 1800 (22) World War Ⅱ, London was the biggest city in the world, but now there are many cities which are (23) bigger.
London is famous (24) many things. Tourists come from all over the world (25) its famous buildings and hear the famous clock, Big Ben.
(26) many cities, London has problems with traffic and (27) . Over 1,000,000 people a day use the London underground, but there are still too many cars in the street. The air isn’t clean, but it is cleaner than it (28) 100 years ago.
(29) me, the best things about London are the parks. There are five in the city center. But many children’s (30) place is Hamleys, the biggest toy shop in the world!
A. population B. pollution C. housing

[单项选择]London has (21) of about 7,000,000. From about 1800 (22) World War Ⅱ, London was the biggest city in the world, but now there are many cities which are (23) bigger.
London is famous (24) many things. Tourists come from all over the world (25) its famous buildings and hear the famous clock, Big Ben.
(26) many cities, London has problems with traffic and (27) . Over 1,000,000 people a day use the London underground, but there are still too many cars in the street. The air isn’t clean, but it is cleaner than it (28) 100 years ago.
(29) me, the best things about London are the parks. There are five in the city center. But many children’s (30) place is Hamleys, the biggest toy shop in the world!
A. a population B. population C. a people

[单项选择]We ________from our agent in London about your range of electronic typewriters.
A. have known
B. know
C. have learned
D. learn

[单项选择]The National Gallery in London has more visitors than ______ any other because of its free admission.
A. practically B. really C. actually D. completely

[单项选择]Next time I go there, I ______ them about what has happened recently.
A. ask
B. shall ask
C. asked
D. asks

[简答题] Just about everyone has been on a (47)______ at one time or another, and millions of us have learned that the weight we lose is all too easily regained. Still few people question the wisdom of dieting. After all, we reason, the worst that can happen is that we’’ll regain the weight we’’ve lost—then we can simply go on a diet again. But some new research suggests there is a risk: yo-yo dieting may seriously (48)______ the body’’s weight-control system. The more diets you go on, the harder it may become to lose weight. Ever worse, new (49)______ indicates that repeated (50)______ of losing and gaining weight may raise the risk of heart problem. This last possibility is especially (51)______. As part of a 25-year study that (52)______ 1959 men, researchers reported mat the men showing large up-and-down weight changes had twice the risk of heart disease as those with only small changes in weight. One paper from the Framingham Heart Study, which has monitored more than 5000 pe