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【新概念英语4第23课习题及答案】 新概念英语第一册51课习题答案

时间:2018-12-14 来源:东星资源网 本文已影响 手机版

新概念英语网权威发布新概念英语4第23课习题及答案,更多新概念英语4第23课习题及答案相关信息请访问新概念英语网。

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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