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

英语

成考专升本

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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

ThebabywassenttoahospitalinLondonbecause______.Fromthispassageitseemsthatthebaby’sillnesshadsomethingtod

WhydidStanleyWilliamswriteanti-gangbooks?WhichofthefollowingbestdescribesWilliams’feelingsaboutprison?

Theweddingceremonywas______becausethebridecouldnotfindherweddingring.

______sheisalikeablegirl,sheisverydifficulttoworkwith.

Thepriceofaluminumwassharplyreducedwhenpeoplediscoveredanewrefiningprocesswiththeaidof______.Whichofthefo

Scientistssayitmaybetenyears______thismedicinewasputtouse.

Whenyouaremakingaspeech,alwaysremembertokeepitshortand______.

Themedicineisonsaleeverywhere.Youcangetitat______pharmacy.

Notonly______properly,butthatcookerisdangerousbecauseofallthoseloosewiresattheback.

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