新概念英语第四册课选择题:Lesson26 The past life of the earth

2018-09-15 10:27:00来源:网络

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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

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

  a.far

  b.very

  c.quite

  d.many

  6 There is ____anything to cover them over. (1.9)

  a.ever

  b.never

  c.rarely

  d.hardly

  7 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

  8 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

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

  a.countless

  b.uncountable

  c.uncounted

  d.unnumbered

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

  a.die

  b.decay

  c.fall away

  d.are buried

  11 ____what happened was that … (1.20)

  a.It seems that

  b.It looks

  c.He appears

  d.It shows

  12 They were____ bogged in the tar. (1.21)

  a.apparently

  b.finally

  c.quickly

  d.eventually

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