[单项选择]But we do need a little freedom from our leashes
A. in particular.
B. at all events.
C. on occasion.
D. by chance.

[单项选择] Do we need laws that prevent us from running risks with our lives If so, then perhaps laws are needed prohibiting the sale of cigarettes and alcoholic drinks. Both products have been known to kill people. The hazards of drinking too much alcohol are as bad or worse than the hazards of smoking too many cigarettes. All right then, let’’s pass a law closing the liquor stores and the bars in this country. Let’’s put an end once and for all to the ruinous disease from which as many as 10 million Americans currently suffer — alcoholism. But wait. We’’ve already tried that. For 13 years, between 1920 and 1933, there were no liquor stores anywhere in the United States. They were shut down — abolished by an amendment (修正案) to the Constitution (to 18th) and by a law of Congress (the Volstead Act). After January 20, 1920, there was supposed to be no more manufacturing, selling, or transporting of " intoxicating (醉人，使中毒) liquors." Without any more liquor, people could not drink it. And i
A. There would be no further danger to the public from alcoholism.
B. People would not become drunk or create a public nuisance.
C. There would be a rise in the cost of alcoholic beverages.
D. Without liquor, people would not drink.

[单项选择]
The primary consideration in achieving a balanced diet is now how much or how little we eat, but what we eat. Basically we need carbohydrates, protein, fat, vitamins and minerals, together with regular but not excessive exercise.
Carbohydrates are found in foods such as bread, potatoes and sugar. They are excellent energy products, but if eaten to excess may be largely converted to fat and a reduction in the amount of carbohydrates or "starchy: foods is one of the obvious ways to reduce weight, since most of us eat too much of them anyway.
Protein, found in meat and cheese, is used for tissue building and in the developed countries most people eat about 110g daily, which is a good deal more than the recommended minimum of 70g a day. Animal fats, e. g. butter are also good sources of energy, but are sometimes held to caus increased cholesterol levels in the blood (which may lead to fatty deposits in the a
A. avoiding taking in animal fat.
B. reducing the amount of carbohydrates.
C. not taking in excessive vitamins.
D. taking in enough iron.

[单项选择]That our environment has little to do with our abilities, characters and behavior （）central to his theory.
A. is
B. are
C. has been
D. have been