问题
单项选择题
下述哪一项病理改变可见于白色皱襞性龈口炎（）
A.角化过度
B.粒层明显
C.棘层松解和上皮内疱
D.上皮显著增厚，棘细胞肿胀，淡染
E.结缔组织大量淋巴细胞浸润
答案
参考答案：D
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下述哪一项病理改变可见于白色皱襞性龈口炎（）
A.角化过度
B.粒层明显
C.棘层松解和上皮内疱
D.上皮显著增厚，棘细胞肿胀，淡染
E.结缔组织大量淋巴细胞浸润
参考答案：D
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| Around the world, people have different ideas about what good manners are. When you go to restaurants in different parts of the world, it's 1 to know the right and wrong things to do. For example, in China it's OK to 2 a lot of noise in a restaurant. In fact, if a restaurant isn't noisy and 3 , you may think there's something wrong with it. However, in many western countries, restaurants are 4 place. If a table is too loud, other people who are eating there might even 5 to the owner of the restaurant. Paying the bill is also different from country to country. In China, one person usually pays for 6 . In western countries, one person pays if he or she is entertaining clients (宴请宾客), but 7 friends eat together, they usually share the cost. This is called "going Dutch (均摊费用)". Also, when westerners pay the bill, they usually leave some money for the 8 . This is called 'leaving a tip'. Leaving a tip is thought to be polite. In the US, it's 9 to leave tips of 10%, 15%, or 20% of the bill, which is decided by how good the service (服务) is. Good waiters can make a lot of money! The way people eat food is different in the world, but you can 10 the same kinds of food in many countries. Chinese and Italian food, for example, are popular all over the world.
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