问题
多项选择题
正常人尿中可见的生理性结晶包括（）。
A.草酸钙结晶
B.尿酸结晶
C.马尿酸结晶
D.亮氨酸结晶
E.胱氨酸结晶
答案
参考答案：A, B, C
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正常人尿中可见的生理性结晶包括（）。
A.草酸钙结晶
B.尿酸结晶
C.马尿酸结晶
D.亮氨酸结晶
E.胱氨酸结晶
参考答案：A, B, C
In the modern world, advertising 1 everywhere! Some people think that ads are great. Others hate ads, 2 that they make our cities and countryside 3 ugly. Many ads are aimed specifically 4 teenagers, and some young people 5 more than 100 advertisements a day. It’s true that some ads can be very useful. For instance, they can help you to compare two different products 6 you can buy the one you really need. They can also help you 7 money. When prices 8 , you can go to the store with the 9 price. Ads also tell you when stores 10 sales. 11 , some advertising can be confusing or misleading. 12 the words sound 13 but don’t really tell you anything about the quality of the product. At other times, the picture in an ad looks a lot 14 than the real thing. At times an ad can lead you 15 something you don’t need at all.
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