题目内容
4．She _____go to Dagang Park this afternoon，but she is not sure．（ ）| A． | must | B． | have to | C． | should | D． | may |
分析 今天下午她可能去大港公园，但是她现在还不确定．
解答 答案：D．
must一定，必须；have to不得不；should应该；may可能．根据but she is not sure，可知她现在还不确定，所以今天下午她可能去大港公园．may，可能．故选D．
点评 本题考查了情态动词的用法．解答时注意了解句意以及所给选项的意思并作出正确选择．
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14．You've heard it all before---to lose weight，you must burn many more calories．But anyone who has tried to lose weight knows it's not so easy!As a matter of fact，about two-thirds of people who have just lost weight will put it back on within a year．
For many people，trying to lose weight means going on a diet，and they usually fail because they can't stand feeling hungry．Losing weight is not a one-time activity，but something you have to plan for a long time．
In other words，don't expect to become"thin"in no time at all．Experts agree that losing weight slowly is healthier than a quick fix．My suggestion is that you should try to lose no more than a couple of pounds a week．
Although this doesn't seem like much，slow weight loss is the only way to avoid"yo-yo dieting （体重忽上忽下）"，where you lose a great deal of weight，only to put it back on within a few months or years．There is no shortcut to lose weight； go for slow change toward a healthier life，and think always of the long term （期限）．
Losing weight
For many people，trying to lose weight means going on a diet，and they usually fail because they can't stand feeling hungry．Losing weight is not a one-time activity，but something you have to plan for a long time．
In other words，don't expect to become"thin"in no time at all．Experts agree that losing weight slowly is healthier than a quick fix．My suggestion is that you should try to lose no more than a couple of pounds a week．
Although this doesn't seem like much，slow weight loss is the only way to avoid"yo-yo dieting （体重忽上忽下）"，where you lose a great deal of weight，only to put it back on within a few months or years．There is no shortcut to lose weight； go for slow change toward a healthier life，and think always of the long term （期限）．
Losing weight
| Introduction | It's （54）difficult/hard to lose weight． |
| （55）Reason for failing to lose weight | •They can't stand feeling hungry． |
| Suggestions | •Losing weight is something you have to make a （56）plan for a long time． •Experts agree that a quick fix is not as （57）healthy as losing weight slowly． •I suggest that you should try to lose no more than a couple of pounds a week． |
| Conclusion | Slow weight loss is the only way of （58）avoiding"yo-yo dieting"． |
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