The subject of this passage is ________．

(1)【◆题库问题◆】：[单选,材料题] The subject of this passage is ________．根据以下内容，回答下面的题目。Researchers have found that REM (rapid eye movement) sleep is important to human beings．This type of sleep generally occurs four or five times during one night of sleep lasting five minutes to forty minutes for each occurrencE．The deeper a person’s sleep becomes, the longer the periods of rapid eye movement．There are physical charges in the body to show that a person has changed from NREM (non-rapid eye movement) to REM sleep．Breathing becomes faster, the heart rate increases, and, as the name implies, the eyes begin to move quickly．Accompanying these physical changes in the body is a very important characteristic of REM sleep．It is during REM sleep that a person dreams．According to the passage, how often does REM sleep occur in one night?
A．why people sleep
B．the human need for REM sleep
C．the characteristic of REM sleep
D．physical changes in the human body

【◆参考答案◆】：D

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(2)【◆题库问题◆】：[单选] The 19th Winter Games, held in SaltLake City,________an Olympic tradition which goes backalmost 3,000 years．
A．is the part of
B．are the part of
C．is part of
D．are part of

【◆参考答案◆】：D

【◆答案解析◆】：Part of前不加定冠词，排除选项A和B。主语games是复数，谓语动词应用复数形式。选项D是正确的。【句子大意】在盐湖城举办的第19届冬季奥运会的项目是奥林匹克传统的一部分，这一传统可追溯到3 000年前。

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(3)【◆题库问题◆】：[单选,材料题] 回答下面的题目Eggs are my favorite fooD．I likethem 21 ，hard-boiled，scrambled，or poacheD．I eat eggsfor22 ，lunch，and dinner．I eat eggshere，there，and everywhere!Eggs taste great．You can eat them by 23 or as part of any meal．Eggsare 24 used as an ingredient in many prepared foods．Can youthink of any foods that contain25 ?Eggs are really a perfect fooD．They are26 in most of the nutrients we need to maintain good 27 ．When a baby chicken develops 28 an egg，the egg29 and yolk are the only foods they neeD．Many people believe that eggs are 30．They pointout that eggs contain a very high amount of cholesterol(胆固醇)．Too31 of one kind of cholesterol in our blood can cause heart diseasE．There is no evidence that eggs 32 the harmful cholesterol in our blooD．When we eat foodsthat are33in cholesterol，our bodies make 34of it to balance，or adjust．If you want to enjoy a tasty and healthy fooD．eat plentyof35
A．more
B．less
C．fun
D．pickles

【◆参考答案◆】：B

【◆答案解析◆】：为了达到平衡，在食用“高”胆固醇后，我们的身体会“少”用它。选项B是正确的。

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(4)【◆题库问题◆】：[单选] He’S working hard for fear that he_________．
A．should fall behind
B．fell behind
C．may fall behind
D．would fall behind

【◆参考答案◆】：A

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(5)【◆题库问题◆】：[单选]
A．what
B．water
C．watch
D．want

【◆参考答案◆】：B

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(6)【◆题库问题◆】：[单选] 高渗性脱水可考虑如下治疗，但哪项应除外（　　）
A．静点5%葡萄糖液
B．输入0.45%的盐水
C．轻度缺水，可补液1000～1500ml
D．中度缺水，可补液1500～2000ml
E．如按公式计算补液，第一个8小时应补总量的一半

【◆参考答案◆】：E

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(7)【◆题库问题◆】：[多选] 参与肩关节运动的肌有（　　）
A．三角肌
B．肱二头肌
C．肱三头肌
D．胸大肌
E．背阔肌

【◆参考答案◆】：A,B,C,D,E

【◆答案解析◆】：略

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(8)【◆题库问题◆】：[单选] 烧伤的创面不适用于暴露疗法的是（　　）
A．肢体创面
B．头颈部创面
C．会阴部创面
D．大面积创面
E．95%面积以上烧伤

【◆参考答案◆】：A

【◆答案解析◆】：略

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(9)【◆题库问题◆】：[单选] The teacher had the monitor_______the papers．
A．to hand out
B．hand out
C．hand down
D．to hand down

【◆参考答案◆】：B

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(10)【◆题库问题◆】：[单选]唯物辩证法的总特征是
A．物质决定意识的观点
B．联系和发展的观点
C．实践第一的观点
D．对立统一的观点

【◆参考答案◆】：B