新概念英語第4冊課后習題答案:
Unit 17 BBADA BBDCD CA
新概念英語第4冊課后習題:
Multiple choice questions 多項選擇題
Choose the correct answers to the following questions.
Comprehension 理解
1 One of the reasons rabbits multiplied so rapidly in Australia is that they ______.
a.were unwisely introduced by enterprising settlers
b.breed rapidly
c.overran the continent
d.overcame their natural enemies in the Antipodes
2 Scientists found ______ of spreading myxomatosis.
a.one way
b.two ways
c.three ways
d.a large number of ways
3 The disease was spread right across the continent of Australia largely because ______.
a.of the mosquito
b.of the rabbit
c.scientists let infected animals loose in burrows
d.Australia encouraged diseased rabbits to migrate to other places
4 Myxomatosis, that was a blessing in Australia, proved to be ______in Europe.
a.domesticated
b.a disease
c.profitable
d.a curse
Structure 句型
5 This rabbit had no natural enemies in theAntipodes ______.(1.2)
a.and as a result it multiplied
b.in order to multiply
c.so that it might multiply
d.because it multiplied
6 It______ and caused devastation.(1.3)
a.burrowing
b.burrowed
c.was burrowing
d.has burrowed
7 ______ were local epidemics created? By infecting animals.(1.6)
a.Why
b.How
c.Where
d.When
8 It was ______ to create local epidemics of this disease.(11.6-7)
a.potent
b.able
c.enabled
d.possible
Vocabulary 詞匯
9 It caused devastation by ______ the herbage.(11.3-4)
a.burrowing into
b.infecting
c.consuming
d.digging
10 By infecting animals and ______them loose in burrows ...(1.6)
a.allowing
b.leaving
c.introducing
d.turning
11 The rabbits were able to ______this disease to a certain extent.(1.10)
a.react to
b.prevent
c.withstand
d.oppose
12 Australia ______the rabbit as a pest from Europe.(1.13)
a.inherited
b.obtained
c.assumed
d.claimed