2019年学位英语考试模拟试题及答案（一）_第3页

　　三、词汇和语法(31-50)

　　31.As a policeman, Mr.Brown thought that he had a duty to__________ the lost children infinding their homes.

　　A.assist

　　B.help

　　C.provide

　　D.support

　　答案：A

　　32.We hope to go to the beach tomorrow, but we won't go __________ it'sraining.

　　A.if

　　B.when

　　C.though

　　D.because

　　答案：A

　　33.__________there are only 20 minutes left before the train left, I felt uneasy in the taxi to the railway station.

　　A.That

　　B.When

　　C.Which

　　D.Because

　　答案：D

　　34.As is known to all, __________ Yang Liwei has become a space hero is__________ we have expected.

　　A.that; which

　　B.what; that

　　C.what; which

　　D.that; what

　　答案：D

　　35.We were told that we should follow the main road__________ wereached the central

　　railway station.

　　A.whenever

　　B.until

　　C.while

　　D.wherever

　　答案：B

　　36.I'm willing to lend you a hand __________ busy I'm for the moment.

　　A.because

　　B.but that

　　C.but

　　D.however

　　答案：D

　　37.The traffic lights __________ greenand I pulled away.

　　A.came

　　B.grew

　　C.got

　　D.went

　　答案：D

　　38.As a librarian, she spends mostof her time __________ books on the shelves every day.

　　A.arranging

　　B.selling

　　C.controlling

　　D.borrowing

　　答案：A

　　39. __________ he will leave for Beijing.

　　A.It will not be long before

　　B.It is before long that

　　C.It is before long

　　D.It was before long that

　　答案：B

　　40.Attention, coffee lovers! We havefor you, the best coffee machine __________invented.

　　A.ever

　　B.already

　　C.even

　　D.nowadays

　　答案：A

　　41.There have been great advances inthe __________ of cancer.

　　A.process

　　B.treatment

　　C.instruction

　　D.influence

　　答案：B

　　42.You can see the stars on a clearnight, but in the daytime they are__________.

　　A.unavoidable "

　　B.invisible

　　C.inaccessible

　　D.unavailable

　　答案：B

　　43.I'd like to live somewhere __________ the sun shines all year long.

　　A.which

　　B.that

　　C.where

　　D.in which

　　答案：C

　　44.Wild pigs are fierce andcourageous fighters and may charge with little or no__________.

　　A.protection

　　B.provision

　　C.provocation

　　D.prevention

　　答案：C

　　45.Niagara Falls is a great tourist__________, drawing millions of visitors every year.

　　A.attention

　　B.attraction

　　C.settlement

　　D.arrangement

　　答案：B

　　46.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

　　答案：C

　　47.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

　　答案：C

　　48.It was nine o'clock __________ I arrived at the airport.

　　A.that

　　B.before

　　C.when

　　D.since

　　答案：C

　　49.It was already past midnight andonly three young men __________ in the tea house.

　　A.left

　　B.remained

　　C.delayed

　　D.deserted

　　答案：B

　　50.Don't worry about it.Sometimes the symptoms can be quite __________.

　　A.severe

　　B.light

　　C.mild

　　D.weak

　　答案：C