ThisreturnedChinesescholarhasb

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更新 2022-09-03
科目英语
题型单选题
难度容易
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----This returned Chinese scholar has become one of the top experts in this field.
----Yes,I know him very well.He____in Africa with animals for eight years.

A．has worke

B．had worked

C．worked

D．has been working

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We should do what we can to save those _____ species, including the tiger, an animal which was considered _____ to humans.

A．dangerous; endangered	B．dangerous; in danger
C．endangered; in danger	D．endangered; dangerous

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—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
A. can; mustB. can; may
. must; can D. may; must

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I am not fond of ______ music very much, but I do like ______ music they are dancing to.

A．不填; 不填	B．the; the
C．the; 不填	D．不填; the

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A survey has found that many medical workers would not choose the profession __________ a second chance, citing high stress and tense patient-doctor relationships.

A．they were given	B．they will give
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— Was it 11 o'clock your father came back last night?
—Yes, he is always coming back so late.

A．that	B．while
C．when	D．until

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