Evidenceofapowerfulvolcano,whi

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更新 2022-09-03
科目英语
题型单选题
难度较难
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Evidence of a powerful volcano, which erupted under the ice sheet of West Antarctica around 325BC and might still be active now, __________ so far by British scientists.

A．confirmed	B．has confirmed
C．is confirmed	D．has been confirmed

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―It takes _________ patience and skill to be a teacher.
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A．the; a

B．the; a

C．不填; a

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The corridors（走廊）was so narrow that I had to myself against the wall to let them pass.

A．pull

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So far, several cases of a disease, as bird flu, are reported to have been found in the country.

A．knowing

B．to be known

C．having known

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There were no women in the committee 1976, but now women are in a majority.

A．before to

B．previous to

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from endless homework on weekends, the stuclents now find their own activities to enjoy.

A．Freed

B．Freeing

C． To free

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