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患者男性，急性发病，面颈部、腋窝起红斑，并有渗出、结痂、糜烂、痒剧，伴心烦，口渴，大便秘结，舌红，苔黄，脉滑数。

根据临床表现应诊断为：（）。

A.湿疮湿热蕴肤

B.风瘙痒湿热内蕴

C.白屑风肺胃热盛

D.粉刺肠胃湿热

E.油风血热风燥

答案

参考答案：C

解答题
已知向量
OA
=（k，12），
OB
=（4，5），
OC
=（-k，10），且A、B、C三点共线，求k的值．
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单项选择题

Aspirin is one of the safest and most effective drugs invented by man. The most popular medicine in the world today, it is an effective pain reliever. Its bad effects are relatively mild. It is also cheap.For millions of people suffering from arthritis, it is the only thing that works. Aspirin, in short, is truly the 20th-century wonder drug. It is also the second largest suicide drug and is the leading cause of poisoning among children. It has side effects that, although relatively mild, are largely unrecognized among users.Although aspirin was first sold by a German company in 1899, it has been around much longer than that. Hippocrates, in ancient Greece, understood the medical value of tree barks and leaves which today are known to contain a chemical found in aspirin. During the 19th century, there was a great deal of experimentation in Europe with this chemical, and it led to the introduction of aspirin. By 1915, aspirin tablets were available in the United States.A small quantity of aspirin relieves pain and inflammation. It also reduces fever by affecting some of the body’’s reactions. Aspirin is very irritating to the stomach lining. The best way is to chew the tablets before swallowing them with water, but few people can stand the bitter taste. Some people suggest crushing the tablets in milk or orange juice.

A good title for this passage would be:________

A．Why Do We Take Aspirin

B．How Do We Take Aspirin

C．Aspirin: The Unknown Side Effects.

D．Aspirin: The Most Popular Medicine.
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