Scientists now have some surprising answers about whether brain power______as we get older.

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问题 Scientists now have some surprising answers about whether brain power______as we get older.

选项 A、reduces
B、descends
C、declines
D、collapses

答案C

解析本题考查动词辨析。句意：关于人的脑力是否会随着年龄的增长而衰退，科学家们现在有了一些令人惊讶的答案。reduces可以表示尺寸、数量、程度或强度的减少，词义引申之后，可以表示地位、处境、状况的降低；descends指缓慢或渐进的移动，多是从斜坡下降；declines指事物逐渐减缓、衰微或减弱；collapses指建筑物的倒塌，或因病而晕倒。根据句子语境和句意，大脑应该是慢慢衰弱，故本题选C。

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成人本科学位英语

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Scientists now have some surprising answers about whether brain power______as we get older.

成人本科学位英语

IthinkFatherwouldliketoknow______I’vebeenuptosofar,soIdecidetosendhimaquicknote.

Ithoughtitwasgoingtorainbutithas______fine.

Newspapersarenotnearlyaspopulartodayastheywereinthepast.Therearenotverymanypeoplewhoseriouslyreadanewspap

WriteashortessayentitledFastFoodandTraditionalChineseCooking.Youshouldwriteatleast120wordsfollowingtheoutlin

Theycouldn’taffordtoeatinarestaurantbecausenoneofthemhad______moneyonthem.

Anotherthinganastronauthastolearnaboutiseatinginspace.Foodisweightless,justasmenare.Foodforspacehasto

Thecompanyissmallbutpromising.______,I’lltakethejob.

Peterwishesthathe()lawinsteadofliteraturewhenhewasincollege.

Increasingly,overthepasttenyears,people—especiallyyoungpeople—havebecomeawareoftheneedtochangetheireatinghabit

ProfessorSimpson______theprojectcarefullyandmadeafewcorrections.

家长带着五岁的幼儿来到口腔科，幼儿因为龋齿牙痛难忍。医生开了拍牙片的单子让家长缴费。家长担心拍牙片时的辐射会给孩子大脑造成不良影响，拒绝拍片。如果您是接诊医生，如何向家长解释更为妥当?()

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1岁婴儿，面色苍黄，毛发稀疏，易怒少哭，查体:体温正常，神清，不会扶站，四肢抖动，踝阵挛，巴氏征(+)，该患婴的诊断可能是

A．夫西地酸滴眼剂B．金霉素眼膏C．多黏菌素B滴眼液D．两性霉素B滴眼剂E．1％泼尼松滴眼液真菌性角膜炎可选用()

电梯中限速装置的组成应包括()。

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