第47题单选 You can see the stars on a clearnight, but in the daytime they are__________.

A.unavoidable "

B.invisible

C.inaccessible

D.unavailable

参考答案：B

第48题单选 I'd like to live somewhere __________ the sun shines all year long.

A.which

B.that

C.where

D.in which

参考答案：C

第49题单选 Wild pigs are fierce andcourageous fighters and may charge with little or no__________.

A.protection

B.provision

C.provocation

D.prevention

参考答案：C

第50题单选 Niagara Falls is a great tourist__________, drawing millions of visitors every year.

A.attention

B.attraction

C.settlement

D.arrangement

参考答案：B

第51题单选 She took an umbrella with her this morning __________ she should becaught in the rain.

A.so that

B.in order that

C.in case

D.now that

参考答案：C

第52题单选 We have got only five textbooks for the children __________ we needten.So I'm afraid they will have to share.

A.because

B.since

C.when

D.once

参考答案：C

第53题单选 It was nine o'clock __________ I arrived at the airport.

A.that

B.before

C.when

D.since

参考答案：C

第54题单选 It was already past midnight andonly three young men __________ in the tea house.

A.left

B.remained

C.delayed

D.deserted

参考答案：B

第55题单选 Don't worry about it.Sometimes the symptoms can be quite __________.

A.severe

B.light

C.mild

D.weak

参考答案：C

第56题单选 After long talks about pay, themanagers and workers reached a(n)__________.

A.settlement

B.decision

C.conclusion

D.arrangement

参考答案：A

第57题单选 Countries that traditionallynever allowed foreign students to stay and work——like Germanyor the United Kingdom——are facing their own labor __________ in informa-tiontechnology and relaxing their immigration laws.

A.cuts

B.shortages

C.weaknesses

D.imports

参考答案：B

第58题单选 At the meeting they discussedthree different __________ to the study of mathematics.

A.approaches

B.means

C.methods

D.ways

参考答案：A

第59题单选 If you can't decide which of thetwo books to borrow, why don't you take __________ ? I won't read them thisweek.

A.all

B.any

C.either

D.both

参考答案：D

第60题单选 Many statistics related to theeconomy are published__________.

A.deliberately

B.quarterly

C.mindlessly

D.humorously

参考答案：B

第61题单选 __________, I'll wait for you to have dinner together.Be back as early as possible.

A.However late it is

B.No matter how it is late

C.However it is late

D.No matter how late is it

参考答案：A

第62题单选 The book you want is not__________ now.I will let you know as soon as it isreturned to the library.

A.useful

B.possible

C.available

D.practical

参考答案：C

第63题单选 If you lose one hour in the morning, __________ you will be lookingfor it the rest of the day.

A./

B.and

C.or

D.so

参考答案：A

第64题单选 There is no doubt that he is a good professor __________ he is doingfine.

A.but

B.because

C.so

D.yet

参考答案：B

第65题单选 __________ you may be right, I can't altogether agree.

A.While

B.As

C.if

D.Since

参考答案：A

第66题单选 When Jane began to take swimminglessons, her main __________ was the fear of water.

A.evidence

B.crisis

C.obstacle

D.danger

参考答案：C

第67题单选 Mother was worried because little Alice was ill, especially__________ Father was awayin France.

A.as

B.that

C.during

D.if

参考答案：A

第68题单选 When it was clear__________ she did not speak a word of English, Itried to talk to her using the Spanish I learned while living in Europe.

A.what

B.that

C.why

D.how

参考答案：B

第69题单选 The report the scientists madethis year __________ the weaknesses of modern medical practice.

A.exposed

B.struggled

C.rejected

D.explored

参考答案：A

第70题单选 __________ you are leaving tomorrow, we can eat dinner togethertonight.

A.For

B.Since

C.When

D.While

参考答案：B

第71题单选 He is __________ tearing up whathe has written and beginning over again.

A.simply

B.constantly

C.gradually

D.generally

参考答案：B

第72题单选 __________man must fear when traveling in space is radiation fromthe sun.

A.Which

B.How

C.What

D.That

参考答案：C

第73题单选 Don't respond to any e-mails__________ personal information, no matter how official they look.

A.searching

B.asking

C.requesting

D.questioning

参考答案：C

第74题单选 Having entered the room, littleHans noticed many of the villagers __________ at the back of the classroom.

A.seat

B.seated

C.seating

D.to seat

参考答案：B

第75题单选 __________ good use you've made of your time to study, there's stillroom for im-provement.

A.Whatever

B.However

C.Though

D.That

参考答案：A