新概念4第23课练习题及答案

2016-10-07 14:23:00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4第23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 23 CADCC DCABC AC

  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 The two classes of flight depend on ______.

  a.occasional movement and progress

  b.wing span and gliding

  c.gliding and muscle-power

  d.wind currents and machinery

  2 The albatross can keep flying for very long periods because it ______.

  a.actively uses air movement to stay in the sky

  b.it is a very great bird

  c.recognizes ships at sea

  d.it can glide in any direction, regardless of air currents

  3 Ducks can fly in any direction ______.

  a.and stay in the air indefinitely

  b.but are too heavy to fly for long

  c.and uses engine power

  d.but can run out of energy

  4 The swallow ______.

  a.is often greeted by superstitious villagers

  b.is good for people

  c.combines both forms of flight

  d.is an omen of good luck

  Structure 句型

  5 The albatross ______to yield to the opposition ofthe wind.(1.6)

  a.must

  b.could

  c.has

  d.should

  6 The duck comes nearer to the engines ______manhas‘conquered’the air with.(11.7-8)

  a.where

  b.who

  c.whom

  d.-

  7 Partridges ______a like power of strong propulsion.(1.11)

  a.contain

  b.provide

  c.possess

  d.display

  8 It ______, not does it boast of its power.(1.13)

  a.does not tire

  b.not tire

  c.not tires

  d.do not tire

  Vocabulary 词汇

  9 There is no ______to the variety of flight practised by birds.(1.1)

  a.opportunity

  b.end

  c.point

  d.goal

  10 The great bird has______ wings.(1.5)

  a.broad

  b.long

  c.huge

  d.wide

  11 Duck, like pigeons, are ______with steel-like muscles.(1.8)

  a.provided

  b.gifted

  c.talented

  d.inherited

  12 We no longer look for ______in the way they fly.(11.15-16)

  a.guides

  b.notices

  c.signs

  d.signals


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