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更新 2022-09-03
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挑错有奖

The research they had been devoted to ______ to be of great value to the cancer patients.

A．is proved

B．proves

C．has proved

D．proved

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相关试题

No sooner had their latest product been put into market ________ it ________ by other similar companies.

A．when; was modeled after	B．then; was modeled
C．than; was modeled after	D．when; was modeled

题型：未知
难度：未知

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_______ attractions you are planning to visit in that island country, you’d better book your hotel _____ because the hotels are always full in the tourist seasons.

A．Whatever; in the advance	B．Wherever; before hand
C．Whichever; in advance	D．Whosever; before hand

题型：未知
难度：未知

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---John is said to have learned Italian in Italy for five years.
--________ he speaks it like a native speaker.

A．No doubt

B．No wonder

C．No problem

D．No curiosity

题型：未知
难度：未知

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Tourism is the ______ for the country’s economy, so its government tries its best to ______ both the natural scenery and the places of interest.

A．center; protect

B．heart; reserve

C．focus; keep

D．engine; preserve

题型：未知
难度：未知

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The wedding ceremony is unique ____the minority tribe, which attracts many tourists when the time comes.

A．to

B．for

C．in

D．of

题型：未知
难度：未知

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