[填空题]Children should learn more responsibility for their health through ______.

[填空题]Children should learn more responsibility for their health through ______.

[填空题]Children should learn more responsibility {or their health through ____________.

[填空题]Children should learn more responsibility or their health through ____________.

[单项选择]Passage Three

How do songbirds learn their complex vocalizations a. They inherited by their parents. b. They have this naturally encoded in their genes. c. They learn by listening to others of their kind. d. They learn by listening to other kinds of birds.

[单项选择]
Persons who are overweight should watch their diet carefully in order to lose pounds. The best way to do this is to start a weight control program. At first it is wise to talk with your doctor. He can advise you of the number of calories you should have in your meals each day. He can tell you about exercising while on your diet. A good rule is to lose slowly. A loss of a pound or two is plenty.
Plan meals around foods you know. This means that it is wise to include foods that you are used to and that are part of your regular eating habits. When you have lost the weight you wish, Simple items can be added to your diet so that you can maintain the weight you want. While you are dieting, try to build a pattern of eating that you can follow later to maintain your desired weight.
When dieting, choose low-calorie foods. Avoid such items as fats, fried food, sweets, cakes, cream and soft drinks. Try to take coffee and tea without
A. How to diet.
B. Why we should diet.
C. What we should diet.
D. Where we should diet.

[单项选择]There is no denying that students should learn something about how computers work, just as we expect them at least to understand that the internal combustion engine (内燃机) has something to do with burning fuel, expanding gases and pistons (活塞) being driven. For people should have some basic idea of how the things that they use do what they do. Further, students might be helped by a course that considers the computer’’s impact on society. But that is not what is meant by computer literacy. For computer literacy is not a form of literacy (读写能力); it is a trade skill that should not be taught as a liberal art. Learning how to use a computer and learning how to program one are two distinct activities. A case might be made that the competent citizens of tomorrow should free themselves from their fear of computers. But this is quite different from saying that all ought to know how to program one. Leave that to people who have c hosen programming as a career. While programming can be lots
A. programs are becoming less complicated
B. programs are designed to be convenient to users
C. programming is becoming easier and easier
D. programs are becoming readily available to computer users