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问题 单项选择题

溃疡病幽门梗阻的主要临床特征是

A．腹胀伴肠型

B．阵发性腹痛

C．食量减少

D．消瘦

E．晚间或下午呕吐大量宿食

答案

参考答案：E

填空题

CONVERSATION 1 (Questions 1-4)


A fire started about (1) o’clock in the morning.
It was believed the fire was started by someone (2) in bed.
M: Even more serious is the harm to the apartment’s (3) .
M: The best thing to protect oneself is to have a smoke alarm and a fire (4) .
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单项选择题

牛乳样外观的胸腔积液，最有价值的鉴别诊断试验是（）。

A.积液WBC计数

B.积液总蛋白质测定

C.积液和血清乳酸脱氢酶比率

D.积液和血清淀粉酶比率

E.积液和血清三酰甘油比率
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