The passage focuses on . By immersing ore particles in water, .

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问题 The passage focuses on ______.
By immersing ore particles in water, ______.

选项 A、we can get ore particles of equal size
B、we can purify aluminum particles
C、we can filter out aluminum
D、we can improve the working conditions around

答案C

解析本题的依据是最后一句It is hoped that this technique will reduce the amount of high-grade aluminum the United States must import．显然，把矿粒浸入水中的做法目的只有一个，即提取铝。

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本试题收录于： GCT工程硕士（英语）题库专业硕士分类

GCT工程硕士（英语）

专业硕士

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The passage focuses on . By immersing ore particles in water, .

GCT工程硕士（英语）

专业硕士

Withoutcomputers,we______thetremendousmedicaladvancementinthelastfewdecades.

Somepsychologistsmaintainthatthinkingis.Bodymovementsarenecessaryinorderforthelistenerto.

Stephen:Well,hello,stranger!______Gordon:No,IwenttoCaliforniafor-afewweeks.Stephen:Oh,really?Wheredidyougo?G

Childrenwouldplaywithfireuntiltheirhandswereburntawayif.Fearshouldbeusedproperlybecause.

A:______Madam?B:I’dliketoseesomebedlinen,please.

Effectivepreventionagainstphysicalharmshasneverbeen______urgentlyneeded,especiallyinschools.

Guest:I’dlikearoomwithanoceanview,please.Clerk:I’msorry.______.

Charles:Whattimeareyouleaving?Brown:I’mgoingtotrytoleaveby10:00.Charles:Takecareand______.Brown:Goodbye.Ho

Bob:Yes.Hereyouare,20dollars.Cashier:Thanks._________.Nextone,please.

Michael:TheJohnsonsaremovingnextweek.Wearegoingtohaveagoing-awaypartyforthemSaturday.Tracy:Ididn’trealizeth

由骶骨的耳状面和髂骨的耳状面构成的关节为()。

下列属于机器设备重置成本的有

根据部位，下列哪种胃溃疡最为多见

患者，男，21岁，2h前饮白酒1斤，曾恶心、呕吐2次，呕吐物为胃内容物。处于持续睡眠状态，可唤醒，能正确回答及做出各种反应，其意识障碍属于

细胞外的细菌进入细胞的过程是

在编制房地产项目策划方案时，经济评价中的评价标准类指标包括()。

汇总记账凭证和科目汇总表核算组织程序的主要相同点是()。

自我意识的第二次飞跃发生于()

The passage focuses on ______. By immersing ore particles in water, ______.

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Withoutcomputers,we______thetremendousmedicaladvancementinthelastfewdecades.

Somepsychologistsmaintainthatthinkingis______.Bodymovementsarenecessaryinorderforthelistenerto______.

Stephen:Well,hello,stranger!______Gordon:No,IwenttoCaliforniafor-afewweeks.Stephen:Oh,really?Wheredidyougo?G

Childrenwouldplaywithfireuntiltheirhandswereburntawayif______.Fearshouldbeusedproperlybecause______.

A:______Madam?B:I’dliketoseesomebedlinen,please.

Effectivepreventionagainstphysicalharmshasneverbeen______urgentlyneeded,especiallyinschools.

Guest:I’dlikearoomwithanoceanview,please.Clerk:I’msorry.______.

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Bob:Yes.Hereyouare,20dollars.Cashier:Thanks._________.Nextone,please.

Michael:TheJohnsonsaremovingnextweek.Wearegoingtohaveagoing-awaypartyforthemSaturday.Tracy:Ididn’trealizeth

由骶骨的耳状面和髂骨的耳状面构成的关节为()。

下列属于机器设备重置成本的有

根据部位，下列哪种胃溃疡最为多见

患者，男，21岁，2h前饮白酒1斤，曾恶心、呕吐2次，呕吐物为胃内容物。处于持续睡眠状态，可唤醒，能正确回答及做出各种反应，其意识障碍属于

细胞外的细菌进入细胞的过程是

在编制房地产项目策划方案时，经济评价中的评价标准类指标包括()。

汇总记账凭证和科目汇总表核算组织程序的主要相同点是()。

自我意识的第二次飞跃发生于()

The passage focuses on . By immersing ore particles in water, .

Somepsychologistsmaintainthatthinkingis.Bodymovementsarenecessaryinorderforthelistenerto.

Childrenwouldplaywithfireuntiltheirhandswereburntawayif.Fearshouldbeusedproperlybecause.