It’snoteasyfortheexperttopigfl

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更新 2022-09-03
科目英语
题型单选题
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挑错有奖

It’s not easy for the expert to ______ pig flu.in humans from regular human seasonal influenza.

A．distinguish

B．separate

C．identify

D．recognize

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相关试题

__ English is as important as __ exercise in English.

A．Spoken; written

B．Speaking; written

C．Spoken; writing

D．Speak; write

题型：未知
难度：未知

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Please excuse my __ in without __.

A．come; asking

B．coming; being asked

C．to come; being asked

D．coming; asking

题型：未知
难度：未知

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He can’t help __ housework, for he is busy __ for the examination.

A．doing; preparing

B． to do; to prepare

C．doing; to prepare

D．to do; preparing

题型：未知
难度：未知

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________her mother had come, her face lit up.

A．Hearing

B．Having heard

C．When hearing

D．When she heard

题型：未知
难度：未知

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The situation is more ________than ever. I'm ________about what to do next.

A．puzzled; puzzled

B．puzzling; puzzling

C．puzzling; puzzled

D．puzzled; puzzling

题型：未知
难度：未知

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