Nowhere in nature is aluminum found free, owing to its always ______with other elements, most commonly with oxygen.

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问题 Nowhere in nature is aluminum found free, owing to its always ______with other elements, most commonly with oxygen.

选项 A、being combined
B、combined
C、to combine
D、having combined

答案A

解析

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专业英语四级

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Nowhere in nature is aluminum found free, owing to its always ______with other elements, most commonly with oxygen.

专业英语四级

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Somebelievethatintheageofidentikitcomputergames,massentertainmentandconformityonthesupermarketshelves,trulyin

Thereareanumberofmethodsofjoiningmetalarticlestogether,dependingonthetypeofmetalandthestrengthofthejointw

WhichoneofthefollowingisCORRECTaccordingtothenewsitem?

WhichofthefollowingstatementsisCORRECTaboutSaturday’smatch?

______nothingtoeat,hehadtogotobedwithoutsupper.

Moreandmoreemployersaredemandingthatworkerswhosmokeorareoverweightshoulderagreatershareoftheirhealthcarecos

_____thehelpoftheirgroup,wewouldnothavesucceededintheinvestigation.

Allsubstances,______,liquidorsolid,aremadeupofatoms.

尿糖定性强阳性最常见于：()

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患儿，6岁。初起发热恶寒，咳嗽，咽痛。乳蛾肿大。继则眼睑浮肿，波及全身，皮肤光亮，按之凹陷即起，小便短少，尿色红赤，舌苔薄白。其证候是()

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Allsubstances,______,liquidorsolid,aremadeupofatoms.

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人际关系的建立与发展经过()阶段。

以下属于合伙企业解散事由的是()。

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BilingualeducationiscontroversialintheUnitedStates.【C1】,agrowingbodyofresearchshowsthat【C2】speakingtw

BilingualeducationiscontroversialintheUnitedStates.【C1】,agrowingbodyofresearchshowsthat【C2】speakingtw