新概念英语第四册选择题答案|新概念英语第四册选择题：Thepastlifeoftheearth

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　　Multiple choice questions多项选择题

　　Choose the correct answers to the following questions.

　　Comprehension理解

　　1，The remains of life forms can only survive intact if they are ____.

　　a.in seas and rivers

　　b.under the ground

　　c.covered up quickly in the right conditions

　　d.preserved near water

　　2，Inland conditions ensure that the preservation of life forms ____.

　　a.is quite common

　　b.is relatively rare

　　c.occurs where there are great numbers of species

　　d.is always possible in favourable circumstances

　　3，Unusual circumstances for the preservation of life forms can be provided by ____.

　　a.mammoths

　　b.crevasses

　　c.freezing conditions

　　d.fir trees

　　4，Animals were trapped in tar because they ____.

　　a.wanted to drink the tar

　　b.were deceived by the appearance of the pits

　　c.were extremely heavy

　　d.were chasing birds

　　Structure句型

　　1，The remains of plants are ____more rarely preserved. (11.8-9)

　　a.far

　　b.very

　　c.quite

　　d.many

　　2，There is ____anything to cover them over. (1.9)

　　a.ever

　　b.never

　　c.rarely

　　d.hardly

　　3，It is almost always ____special circumstances that traces of land animals survive. (1.13)

　　a.as a result

　　b.owing

　　c.on account

　　d.because of

　　4，In his mouth were the remains of fir trees----the last meal he____ before he fell. (1.17)

　　a.was eaten

　　b.is eating

　　c.has eaten

　　d.ate

　　Vocabulary词汇

　　1，When you think of the ____birds that one sees ... (11.9-10)

　　a.countless

　　b.uncountable

　　c.uncounted

　　d.unnumbered

　　2，They____ and are quickly destroyed by the weather. (11.11-12)

　　a.die

　　b.decay

　　c.fall away

　　d.are buried

　　3，____what happened was that … (1.20)

　　a.It seems that

　　b.It looks

　　c.He appears

　　d.It shows

　　4，They were____ bogged in the tar. (1.21)

　　a.apparently

　　b.finally

　　c.quickly

　　d.eventually

新概念英语第四册选择题：The past life of the earth.doc

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