It is known to us that eating vegetables and fruit____________one’ s immunity.

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问题 It is known to us that eating vegetables and fruit____________one’ s immunity.

选项 A、has improved
B、improve
C、improves
D、to improve

答案C

解析分析句子结构可知，I是形式主语，真正的主语是that引导的主语从句，从句中缺少谓语动词，因此可排除D项。根据句意和常识可知，“吃蔬菜和水果可以提高一个人的免疫力”是一个客观事实，所以从句应用一般现在时。又因为从句的主语eating vegetables and fruit是动名词短语，所以其后的谓语动词应用单数形式。故选C。

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本试题收录于：英语题库普高专升本分类

英语

普高专升本

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It is known to us that eating vegetables and fruit____________one’ s immunity.

英语

普高专升本

Stressmaybedefinedastheresponseofthebodytoanydemand.Wheneverpeopleexperiencesomethingpleasantorunpleasant,we

Everyonebecomesalittlemoreforgetfulastheygetolder,butmen’smindsdeclinemorethanwomen’s,accordingtotheresult

AuntMaryearnedagoodreputation______hardworkingandbeinghonest.

CocoChanel,aFrenchwoman,isveryfamousforhersuccessinthefashionworld.ThelifeofCocoChanelisaclassicrags-to-r

Weshallhaveanopportunitytoexchange______tomorrow.

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Astechnologytranscendsnationalboundariesanddemystifies(使明白)cultures,andthespeedofflighttranscendsthespeedofsoun

ThepopulationofmanyAlaskacitieshas______inthepastthreeyears.

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Allthosearematters_____attention.

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A．低钾血症B．低血糖症C．低钙血症D．低氯血症E．低镁血症久泻或佝偻病的患儿脱水及酸中毒纠正后出现惊厥，多考虑为

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