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单项选择题
胃癌主要的转移途径是( )。
A.淋巴
B.血运
C.直接蔓延
D.脱落细胞种植
E.多途径转移
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相关考题
单项选择题
(共用题干)患者,女,27岁。心慌气短8年,反复咯血2年。近2日咯血加重而就诊。查体:双颊紫红,口唇发绀,呼吸困难,双肺底散在湿啰音较多。脉搏一强一弱,心率126次/分,律齐。心尖区第一心音前有隆隆样杂音。颈静脉无怒张,肝未触及。腹无移动浊音。下肢不肿。
心尖区第一心音前隆隆样杂音提示( )。
A.主动脉瓣关闭不全
B.二尖瓣狭窄
C.心包炎
D.二尖瓣关闭不全
E.主动脉瓣狭窄
未知题型
听力原文:W: Excuse mE.Do you know how this works?
M: Yes. Put the washing inside, shut the door, the money goes in herE.Then when the machine starts you have to put the soap powder in through herE.
W: Is that all?
M: Yes.
W: But is there anything I should do when it works?
M: You don't have to do anything else until the machine stops.
W: Thank you so much.
(8)
A.The woman is willing to do the washing for the man.
B.The man wants the woman to do the washing for him.
C.The woman knows little about the machinE.
D.The man knows nothing about the machinE.
未知题型
基于题干,回答问题
一商店仅售3种尺寸(小号、中号和大号),以及3种颜色(红色、黄色和蓝色)的衬衫,某人恰好从商店买了3件衬衫:
(1)一件衬衫的型号由颜色和尺寸两项组成;
(2)他不会同时买大号和小号的衬衫;
(3)该商店内没有小号的红色衬衫;
(4)该商店内没有大号的蓝色衬衫。
下面哪一项必定错误?
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