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Do scientists know how many cryptic species exist?A.Not yet.B.Yes, they do.C.They will kno

Do scientists know how many cryptic species exist?

A.Not yet.

B.Yes, they do.

C.They will know the answer in another one or two years.

D.They will never know the answer.

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更多“Do scientists know how many cryptic species exist?A.Not yet.B.Yes, they do.C.They will kno”相关的问题

第1题

A.viaB.nearC.byD.besides

A.via

B.near

C.by

D.besides

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第2题

A great deal has been done to remedy the situation.A.maintainB.improveC.assessD.protect
A great deal has been done to remedy the situation.

A.maintain

B.improve

C.assess

D.protect

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第3题

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Which of the following about the African bush elephant and the African elephant is true?

A.The WCU are interbreeding those elephants.

B.They are interbreeding species.

C.They are two genetically distant species.

D.They depend on each other for survival.

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第4题

A.assistsB.causesC.makesD.helps

A.assists

B.causes

C.makes

D.helps

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第5题

And the cars are tested for defects before leaving the factory.A.functionsB.faultsC.motion
And the cars are tested for defects before leaving the factory.

A.functions

B.faults

C.motions

D.parts

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第6题

People are confused in their attempts to control malaria in Europe in the early 1900s, bec
People are confused in their attempts to control malaria in Europe in the early 1900s, because scientists ______.

A.identified only one mosquito species instead of six species

B.thought only three mosquito species transmitted disease

C.thought there was only one mosquito species

D.did not know what species was being studied

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第7题

A.number ofB.deal ofC.amount ofD.volume of

A.number of

B.deal of

C.amount of

D.volume of

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A.removed

B.cured

C.worsened

D.relieved

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第9题

A.writerB.reporterC.expertD.leader

A.writer

B.reporter

C.expert

D.leader

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第10题

For young children, getting dressed is a complicated business.A.strangeB.complexC.personal
For young children, getting dressed is a complicated business.

A.strange

B.complex

C.personal

D.funny

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