Iron and steel expands when heated and ______ when cooled.

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问题 Iron and steel expands when heated and ______ when cooled.

选项 A、shrinks
B、contracts
C、condenses
D、compresses

答案B

解析

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专业英语四级

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Iron and steel expands when heated and ______ when cooled.

专业英语四级

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Ascientificdiscoveryisoftenmade【C1】beforesomeoneisabletoputittouse.【C2】,scientistsdiscoveredhowto

Mostofthemembersmadesucha______protestagainsttheproposalthatthecommitteehadtoyield.

There’samanatthereceptiondeskwhoseemsveryangryandIthinkhemeans______trouble.

Thegirl’s______choiceoffriendsgotherintotrouble.

PerhapsthemostheatedargumentacrosstheUnitedStatestodayisthedeathpenalty.Manyarguethatitisan【C1】______deterr

下列哪一种不属于胃食管反流病的临床表现

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A．广谱抗病毒药B．抗流感病毒药C．抗疱疹病毒药D．抗乙型肝炎病毒药E．抗心律失常药利巴韦林属于()。

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单位要推行网上办公，让你来推行，但是过程中遇到了有些人的反对，你怎么办?

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A、Theywaitedforeachotheratdifferentconcerts.B、Theywaitedforeachotheratdifferentplaces.C、Theywenttothestreet

Ascientificdiscoveryisoftenmade【C1】beforesomeoneisabletoputittouse.【C2】,scientistsdiscoveredhowto

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