题目内容 (请给出正确答案)
[单选题]

The problem of global warming___for decades.A. has been existedB. has existingC. being

A.A. has been existed

B.B. has existing

C.C. being existed

D.D. has existed

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更多“The problem of global warming_…”相关的问题

第1题

Lowering personal production of waste___everyone over the past decade.A. benefitedB. ha

Lowering personal production of waste___everyone over the past decade.

A. benefited

B. has benefited

C. benefits

D. benefiting

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第2题

Let everybody___something to reduce environmental pollution.A. doB. to doC. doingD. do

Let everybody___something to reduce environmental pollution.

A. do

B. to do

C. doing

D. do it

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第3题

Turn on the television or open a magazine, and you___advertisements advocating reduci

ng carbon footprints.

A. will often see

B. often see

C. are often seeing

D. have often seen

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第4题

___good care, the electrical devices in the area all work well.A. RegardingB. Thanks to

___good care, the electrical devices in the area all work well.

A. Regarding

B. Thanks to

C. Like

D. Thanks for

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第5题

If the lights were on, they___have been at home.A. mustB. needC. shallD. would

If the lights were on, they___have been at home.

A. must

B. need

C. shall

D. would

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第6题

The guest presented ______ that a staff in the hotel had stolen her pack.A.proofB.proo

The guest presented ______ that a staff in the hotel had stolen her pack.

A.proof

B.proofs

C.prooves

D.proofes

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第7题

The manager demands that I meet five ___ at the exhibition tomorrow.A.AustraliansB.Austr

The manager demands that I meet five ___ at the exhibition tomorrow.

A.Australians

B.Australia

C.Australias

D.Australian

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第8题

Please fill___the form. before you check ___.A.at; outB.to; inC.out; inD.on; in

Please fill___the form. before you check ___.

A.at; out

B.to; in

C.out; in

D.on; in

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第9题

The book fair and the import and export exhibition held in the city____extraordinary.

A.all are

B.are all

C.both are

D.are both

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第10题

According to the passage, when the pod is in orbit 460 kms above the earth, the guest

is going to travel around the earth ______.

A.each 80 minute

B.each 80 minutes

C.every 80minutes

D.every 80 minutes

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