患者女，68岁，喘而胸闷，甚不能平卧，咳嗽痰多粘腻色白，咳吐不利，兼呕恶纳呆，苔白厚腻，脉滑，病因为
A. 风寒
B. 过劳
C. 七悄
D. 痰饮
E. 瘀血
查看答案
B细胞表面最重要的标志为()。
A. SmIg
B. FCγR
CD40
D. CD5
E. CD80
Which of the following best describes the structure of the first paragraph of the passage？
A. Two scholarly approaches are compared, and a shortcoming common to both is identified.
B. Two rival schools of thought are contrasted, and a third is allued to.
C. An outmoded scholarly approach is described, and a corrective approach is called for.
D. An argument is outlined, and counterargumnts are mentioned.
E. A historical era is described in terms of its political trends.
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