13．Manymedicalscientistsarerac

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更新 2022-09-03
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挑错有奖

13．Many medical scientists are racing__________time to find a cure for H1N1 as soon as possible.

A．on

B．against

C．for

D．In

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—Do you know where David is? I can’t find him anywhere.
—Well . He have gone far— his coat’s still here.

A．shouldn’t

B．mustn’t

C．can’t

D．wouldn’t

题型：未知
难度：未知

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Dan caught two ________birds in the wood last week and they are still ________in the cage.

A．alive; live

B．live; live

C．live; alive

D．lived; alive

题型：未知
难度：未知

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These doctors are busy day and night, a cure for AIDS.

A．bringing on

B．pulling on

C．taking on

D．working on

题型：未知
难度：未知

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Just as the food a person eats and the friends with whom he spends his time, his house ______ his personality.

A．reforms

B．reacts

C．resembles

D．reflects

题型：未知
难度：未知

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When she heard the good news, there appeared a ___ smile on her face.

A．satisfying

B．satisfy

C．satisfaction

D．satisfied

题型：未知
难度：未知

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