二尖瓣狭窄患者心脏听诊如能听到杂音,关于该杂音的传导,正确的是()。
A.向左腋下传导
B.向颈部传导
C.向背部传导
D.向右胸部传导
E.不传导
参考答案:E
An indoor man refers to a person who spends __________ time on indoor activities, such as playing computer games, sleeping and watching sports on television.
A.appropriate
B.specific
C.limited
D.considerable
关于消化性溃疡的叙述,哪些是正确的?()
A.全世界均多见
B.男性发病多于女性
C.在临床上,十二指肠溃疡较胃溃疡多见
D.绝大多数病例病变位于胃和十二指肠
E.胃溃疡的发病高峰比十二指肠溃疡约迟10年