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新概念四册第19课练习题及答案

2016-10-07 14:00:00来源：网络

　　为了方便同学们自学新概念，新东方在线为大家整理了新概念四册第19课练习题及答案，希望以下内容能够为大家的新概念英语学习有所帮助~

　　新概念英语第4册课后习题及答案大全>>立即查看

　　新概念英语第4册课后习题答案:

　　Unit 19 BBCAD AABDD BC

　　新概念英语第4册课后习题:

　　Multiple choice questions 多项选择题

　　Choose the correct answers to the following questions.

　　Comprehension 理解

　　1 Giving the body a rest ____.

　　a.seems to be the main function of sleep

　　b.doesn't seem to be the main function of sleep

　　c.means that sleep must have some function

　　d.prevents muscle inactivity

　　2 Electrical activity ____.

　　a.is a good indication of the way the body rests during sleep

　　b.doesn't seem to diminish during sleep

　　c.is a plausible explanation for the function of sleep

　　d.must always be recorded during sleep

　　3 Rapid eye movements are an indication that

　　a.a person is having a disturbed sleep

　　b.sleep is very deep

　　c.that a sleeper is dreaming

　　d.that a person is drifting into sleep

　　4 One of these statements is true.Which one?

　　a.The most important function of sleep is dreaming.

　　b.Rapid eye-movement is associated with deep sleep.

　　c.People who experience rapid eye-movements show personality disorders.

　　d.When people are woken, they don't report any dreams.

　　Structure 句型

　　5 ____ have speculations gone on? ____ Forthousands of years.(11.2-3)

　　a.How many

　　b.How often

　　c.How much

　　d.How long

　　6 The bodies tissues can repair ____ .

　　a.themselves

　　b.their self

　　c.itself

　　d.them

　　7 Peculiar bursts of eye-movements ____ an individual's sleep.(1.14)

　　a.punctuate

　　b.is punctuating

　　c.are punctuating

　　d.have punctuated

　　8 People woken during these periods of eye-movements generally reported that they had beendreaming ____.(11.15-16)

　　a.for a while

　　b.during sleep

　　c.before they went to sleep

　　d.just this moment

　　Vocabulary 词汇

　　9 Speculations have been going on for thousands of years ____.(11.2-3)

　　a.so to speak

　　b.in history

　　c.and recorded

　　d.in fact

　　10 This might be a plausible ____.(11.8-9)

　　a.conclusion

　　b.deduction

　　c.philosophy

　　d.theory

　　11 The second factor is more interesting and more ____.(1.13)

　　a.obvious

　　b.basic

　　c.apparent

　　d.acceptable

　　12 Some eye-movements were slow, others ____ and rapid.(1.15)

　　a.smooth, quick

　　b.interrupted

　　c.sudden, irregular

　　d.painful, repeated

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