下列哪一项是右心衰竭和肝硬化的主要鉴别点（）。 A.肝大 B.水_爱下问搜题

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问题单项选择题 A1/A2型题

下列哪一项是右心衰竭和肝硬化的主要鉴别点（）。

A.肝大

B.水肿

C.腹腔积液

D.黄疸

E.肝颈静脉回流征阳性，颈静脉怒张

答案

参考答案：E

解析：肝大、水肿、腹腔积液、黄疸在右心衰竭（特别是晚期）和肝硬化患者均可出现，但颈静脉怒张、肝颈静脉回流征阳性是体静脉系统淤血的主要体征，在右心衰竭时出现，而肝硬化属于门脉系统，一般不影响体循环，不出现该体征。

选择题

根据生命元素在人体中含量的高低可分为常量元素和微量元素。下列元素中，属于微量元素的是

A．H

B．N

C．O

D．Fe

完形填空

完形填空（共20小题；每小题1分，满分20分）
While attending a conference, I returned to my hotel room late one rainy evening．The overhead light outside my door was 1 and I had difficulty finding the keyhole．When I finally 2 to open the door, I 3 around the wall for a light switch．I found a 4 where a switch was once installed．．．but no switch．
No discouraged easily, I remembered seeing a 5 by the bed when I put away my luggage 6 in the day．I found the bed in the dark and felt around until I found the lamp, but when I switched it on, 7 happened! Now what?
Though I knew that it was dark outside my window 8 the outdoor light was burned out, I thought that 9 if I opened the curtains I might be able to use the light from the 10 to find another lamp．So I 11 my way slowly across the room to the curtains and．．．no draw-string!
I finally stumbled （跌跌撞撞） around until I found a desk lamp that actually 12 ! That evening I discovered in a whole new way just how dark the world can be and how necessary 13 is．
But even more necessary than 14 light is the light that shines from people—the light of
love, sympathy and 15 ．Because, for many people, the world is a dark and 16 place．
It is the shining that is important, for someone today just may be stumbling in discouragement or fear and in 17 of some light．
So let your light shine．Whatever light you 18 may be a beacon （灯塔） of hope and encouragement in someone’s darkness．And if you feel that your light is 19 a candle in a forest, remember this—there isn’t enough darkness in the world to 20 the light of one small candle．

D．complicated