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问题 选择题

下列现象中属于熔化吸热的是

A．游泳结束上岸后感到有点冷

B．加冰块使饮料温度降低

C．利用干冰降温防止食品变质

D．向地上洒水降低环境温度

答案

答案：B

A中游泳上岸后身上的水蒸发吸热而不是熔化。B中冰块熔化为水吸热使饮料降温，C中的干冰变为气体二氧化碳属于升华吸热，D中水蒸发吸热。

【考点】物态变化

改错题

短文改错（共10小题；每小题1分，满分10分）

文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（^），并在其下面写出该加的词。

删除：把多余的词用斜线（/）划掉。

修改：在错的词下划一横线，在该行右边横线上写出改正后的词。

注意：

1．每处错误及其修改仅限一词。

2．只允许修改10处，多者（从第11处起）不计分。

Welcome to our college. I am principal of the college and I’d just like to say something while your teacher is preparing to show you up a short video about our lovely college. We are all very pleased what you have decided to study at our college. Some of us will be here for only a few weeks, for you can’t afford to waste any time in your studies. Learn to speak any language involves practicing that language as much as you can. So from today, I recommend you will speak only English. While you are here, you should consider making as many friend as possible with those come from other countries so that you don’t spend too much time speaking your own. Well, I think video is ready now. I hope get the opportunity to meet you all individual at lunch.
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多项选择题 案例分析题

患者，男性，27岁，施工时从高处坠落，致面部外伤而就诊。诉下巴及双耳前区疼痛，口张不大，无昏迷

对于双侧骨性TMJ强直应采取的治疗方法和原则为（）

A.切除口腔内挛缩疤痕

B.高位关节成形术采用颞部耳屏前切口

C.低位关节成形术采用颞部耳屏前切口

D.高位关节成形术应在相当于髁突颈部截开

E.假关节形成的位置应尽可能低

F.关节成形术仅截断骨球即可

G.关节成形术截骨后应去除5～10mm骨质H.假关节形成的位置应尽可能高
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