问题
单项选择题
膜增生性肾炎
A．补体持续降低
B．补体于6～8周内恢复正常
C．补体降低可提示病变活动
D．血清补体可降低
E．血清补体正常
答案
参考答案：A
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膜增生性肾炎
A．补体持续降低
B．补体于6～8周内恢复正常
C．补体降低可提示病变活动
D．血清补体可降低
E．血清补体正常
参考答案：A
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| About 70,000,000 Americans are trying to lose weight (减肥). That is almost 1 out of every 3 people in the United States. Some people eat 1 food and they hardly have any fat or sweets. Others do running, exercise with machines, take medicines, or even have operations. 2 you can see losing weight hard work, and it will also cost a lot of money. But 3 do so many people in the United States want to lose weight? Many people in the United States worry about their look of the body. For many people, looking nice also means to be 4 . Other people worry about their health as many doctors 5 overweight is not good. Most people want to find a faster and 6 way to take off fat, and books of this kind are very popular. These books tell people how to lose weight. Each year a lot of new books like these are 7 . Each one says it can easily help people take fat away. Losing weight can be 8 . Some overweight people go to health centers, like La Costa in California. Men and women 9 several hundred dollars a day at these health centers. People live there for one week or two, taking exercise, eating different foods. Meals there may be just a little. Health centers, books, medicines, operations, running and exercise machines all 10 a lot of money. So in the United States, losing weight may mean losing money, too. | ||||
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