The price of aluminum was sharply reduced when people discovered a new refining process with the aid of ______. Aluminum is fou

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问题 The price of aluminum was sharply reduced when people discovered a new refining process with the aid of ______.
Aluminum is found on earth mostly in the form of ______.

选项 A、pure metal
B、bauxite
C、gold
D、liquid

答案B

解析本题为客观细节题。从最后一段“it is fortunate that bauxite(铝土矿)，which is one of its chief sources，is also one of the earth’s most plentiful substances”可知铝主要以铝土矿的形式存在。

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本试题收录于：英语题库成考专升本分类

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The price of aluminum was sharply reduced when people discovered a new refining process with the aid of ______. Aluminum is fou

英语

成考专升本

Mostpeople.New-bornbabies.

Manypeoplehaveappliedforthe______position.

Ifyouareinneedofhelp,you’dbetternot______(hesitation)totellme.

Thefirstsailorpretendedtobeillbecausehewantedto.Thepatientsfeltbetterquicklybecause.

Medicalcarereformhasbecomethiscountry’smostimportantpublichealth______.

Thenumberofmembersintheclub______totwohundred.

Doyoufindgettingupinthemorningsodifficultthatit’spainful?Thismightbecalledlaziness,butDr.Kleitmanhasanew

Youhavetotakethe______examinationbeforeaninterviewcanbeconsidered.

Thechildtookaspoonfulandtasteditcarefully______itwashot.

用螺纹连接的减压器应拧足____。

再生障碍性贫血主要临床表现为（）

胸痹的主要病机是

根据《民事诉讼法》及有关规定，下列案件中法院应当受理的是哪些案件?

某公司当初以100万元购入一块土地，目前市价为80万元，如欲在这块土地上兴建厂房，则()。

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Medicalcarereformhasbecomethiscountry’smostimportantpublichealth______.

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