______ the reactions of people with this drug, scientists have learned more abou

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问题 ______ the reactions of people with this drug, scientists have learned more about the brain.

选项 A、By studying
B、To study
C、They study
D、They’re studying

答案 A

解析 by意为“通过、靠(……方式、手段)”，所引导的从句作表方式状语，同样的句子还有：What do you mean by opening my drawer?(你把我的抽屉打开是什么意思?)B的不定式相当于in order to，与下文不符合。C和D都是主语加谓语的结构，填入空中构成两个句子，显然不对。

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______ the reactions of people with this drug, scientists have learned more abou

Whydoyoungpeopleliketobuytheirclothesonline?Thefirstreasonisto____

Whydoyoungpeopleliketobuytheirclothesonline?Thefirstreasonisto____

Scientistshavedevelopedglassfibersasthinashumanhairwhicharedesigned

PeoplepreferIPphonecallstoordinaryonesbecausetheformeris______.[br]

PeoplepreferIPphonecallstoordinaryonesbecausetheformeris______.[br]

Threehundredyearsagopeoplewere(debate)______whethertheearthorthesun

Nowadaysthe______(major)ofpeoplebelievethatsmokingisharmfultohealth.

Thenumberofpeopleinourcompany______everyyear.A、riseB、raiseC、risesD、ar

Peoplemaybethemostinterestingshowinalargecity.Strollthroughbusiness

Yourintelligencevariesfromseasontoseasonifyouarelikemostpeople.

Ingeneral,theancientRomanswerepracticalpeople.Theycaredlittleabou

Weuseplastics()woodandmetalnow.A、totakeplaceB、totakeofC、takethepla

Thegovernmentistobanpaymentstowitnessesbynewspapersseekingtobuy

有关脑血栓形成不正确的是A.在安静状态下发病 B.无明显头痛、呕吐、意识障碍

共用题干 某食品企业为了扩大生产规模，提高市场占有率，经过市场考察决定收购某同

在行业周期的（ ）阶段，有较多的小企业出现，竞争压力也较小.A、形成期 B、成

（）是指教师和学生为了完成教学任务、实现教学目标而采取的共同活动方式,

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