30 This book had five before it was actually published.
A.revision B.revisions C.edition D.addition
此书出版前修订了5次.
本题答案：B.revisions
31.She is very possessive mother.
A.the B. C.an D.a
本题答案：D.a
32.However,at times this balance in nature is ,resulting in a number of possibly unforeseen effects.
A.troubled B.disturbed C.confused D.puzzled
本题答案：disturbed 扰乱平衡
33.All the following adjectives can form acceptable collocations with the noun CLAIM
except .
A.similar B.qualified C.personal D.possible
本题答案：B.qualified
34.The teachers were most________ by your performance in the exam.You scored 98 marks whereas most of your classmates failed.
A.impress B.impressed C.constrict D.to impress
本题答案：B.impressed
35..She used to be a________ teenager who thought that whatever she believed was correct.
A.stubborn B.honest C.brave D.industrious
本题答案：A.stubborn
36.We should be________ with all that we have and should not be critical about things around us.
A.content B.concerned C.confronted D.critical
本题答案：A.content
37.The old man is sick________ having arguments all the time with his wife.
A.for B.and C.of D.at
本题答案：C.of
38..He is always sleeping in class.________,he is not interested in this subject.
A.Consistently B.Probably C.Evidently D.Eagerly
本题答案：C.Evidently
39.Critics ________out that the prince,on his income,should be paying tax.
A.come B.point C.raise D.get
本题答案：A.come
40..John really has green fingers.He________ a variety of beautiful flowers in his garden.
A.is grown B.is growing C.grows D.to grow
本题答案：C.grows
41..My lecture today falls_______ three sections.
A.on B.at C.as D.into
本题答案：D.into