新概念英语第四册课多项选择题:Lesson7Bats

2018-05-17 17:18:43来源:网络

新东方在线新概念小编为大家带来新概念英语第四册课后练习多项选择题一文,希望对大家的新概念英语学习有所帮助。更多精彩尽请关注新东方在线新概念英语学习网(http://nce.koolearn.com )!

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  1 What happens if you shout on a mountainside?

  a.You will be able to measure distance.

  b.Nothing.

  c.It will take a long time for an echo to come back.

  d.You will hear an echo.

  2 You can measure the depth of the sea by ____.

  a.shouting so you get back an echo

  b.tapping on the hull of a ship

  c.working out how long it takes to get an echo from the sea bottom

  d.calculating the reflection

  3 The echo-location principle means you can even ____.

  a.locate and distinguish different species of fish

  b.hear a fish's echo

  c.improve the apparatus now in use

  d.easily catch different species of fish

  4 Bats use echo-location to ____.

  a.see where they're going

  b.avoid bumping into things

  c.avoid flying insects

  d.emit squeaks

  Structure 句型

  5 Not ____sound made by animals serves aslanguage.(l.1)

  a.every

  b.each

  c.the whole

  d.the entire

  6 We have only to turn to that extraordinarydiscovery of echo-location in bats to see a case____the voice plays a strictly utilitarian role.(11.1-2)

  a.which

  b.where

  c.when

  d.why

  7 ____ he shout in the vicinity of a wall, an echo will come back.(1.4)

  a.Should

  b.If

  c.When

  d.Though

  8 ____ the echo-sounding apparatus was born.(11.7-8)

  a.Such

  b.The way

  c.That's how

  d.Like this

  Vocabulary 词汇

  9 The voice plays a strictly ____ role.(1.2)

  a.secondary

  b.important

  c.usual

  d.practical

  10 A sound made by ____ the hull of a ship - (11.5-6)

  a.hitting

  b.knocking

  c.beating

  d.bashing

  11 The sound varies ____the size and nature of the object.(11.8-9)

  a.depending on

  b.relating to

  c.influencing

  d.by

  12 A ____ of fish will do this.(1.9)

  a.class

  b.herd

  c.school

  d.flock

以上就是新东方在线新概念英语学习网为你带来的新概念英语第四册课后练习多项选择题,更多精彩内容。敬请关注新东方在线新概念英语学习网http://nce.koolearn.com)。

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