咨询电话：400-699-7... 展开

特惠课程 免费课程 煎蛋口语 自然拼读 1对1私教班

新东方在线 > 新概念 > 新概念英语第四册 > 正文

新概念英语4第20课练习题及答案

2016-10-07 14:05:00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英语4第20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 20 BCADC CCBDB CA

　　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 One of these statements is true.Which one?

　　a.Snakes need poison to digest their food.

　　b.Snakes can feed on other animals without the use of poison.

　　c.Non-poisonous snakes find survival more difficult than poisonous ones.

　　d.All snakes are capable of manufacturing poison.

　　2 The possession of poison in the saliva makes hunting ____.

　　a.easy for all carnivores

　　b.a two-edged weapon when carnivores fight each other

　　c.almost effortless for snakes

　　d.unpredictable, as Nature intended

　　3 The poison that acts on the blood ____.

　　a.acts less rapidly than nerve poison

　　b.doesn't affect the victim as badly as nervepoison

　　c.is made by snakes like mambas and cobras

　　d.was probably the first of the two kinds of poisonto be developed

　　4 Human beings ____.

　　a.can't compare with prey such as rats and mice

　　b.respond to all snake poisons in the same way

　　c.are likely to survive nerve poison but not blood poison

　　d.are not the intended victims of snake poison

　　Structure 句型

　　5 They ____ have been able to catch and live on prey without using poison.(1.3)

　　a.might

　　b.should

　　c.would

　　d.must

　　6 They could have caught and lived on prey without ____ poison.(1.3)

　　a.to use

　　b.use

　　c.the use of

　　d.have used

　　7 For ____ snakes, poison is merely a luxury.(1.4)

　　a.these

　　b.a

　　c.-

　　d.an

　　8 Blood poison is the more unpleasant ____.(1.15)

　　a.of them all

　　b.of the two

　　c.in the world

　　d.among them both

　　Vocabulary 词汇

　　9 Saliva is a natural ____.(11.1-2)

　　a.oil in the body

　　b.snake-poison

　　c.digestive process

　　d.body fluid

　　10 Poison would be ____ to all carnivores.(1.7)

　　a.an asset

　　b.a help

　　c.a necessity

　　d.a disadvantage

　　11 Arsenic and strychnine ____ us in different ways.(1.11.11-12)

　　a.effect

　　b.result

　　c.affect

　　d.cause

　　12 The nerve poison is thought to be ____(11.15-16)

　　a.less highly developed

　　b.more potent

　　c.more recent

　　d.less complicated

新东方在线英语水平测试

新概念1册-3天英语入门基础

本文关键字: 新概念英语4 第20课练习题及答案

添加助教老师微信

免费领取2G新概念资料

更多资料

关注四六级小助手服务号回复【典藏笔记】获取

关注新东方四级服务号，
获取学习资料

  • 1.打开手机微信【扫一扫】，识别上方二维码；
  • 2.添加助教老师微信，免费领取新概念学习资料。
更多>>
更多内容
优惠券 测一测 去选课 专项课 找老师

新概念学习资料大礼包

加助教免费领取2G资料

更多>>
更多资料
我要
反馈 返回
首页
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

京ICP证050421号 京ICP备05067669号-2 京公网安备11010802017616号 网络视听许可证0110531号 京网文(2016)1303-163号

Copyright © 2011-2018 新东方教育科技集团有限公司, All Rights Reserved

违法和不良信息举报电话: 010-81401500 举报邮箱: sec@xdfzx.com 网上有害信息举报专区