Recent research into aging suggests that the body’s defense mechanisms may lose

游客2025-01-22 0

问题 Recent research into aging suggests that the body’s defense mechanisms may lose the ability to distinguish what is alien.

选项 A、insane
B、infectious
C、foreign
D、poisonous

答案 C

解析本题中，alien的意思是“外来的，不同的”。四个选项中，foreign的意思是“外国的，异质的”，如：a foreign object in the eye．(眼睛中的异物)。insane的意思是“患精神病的，极度愚蠢的”；infectious的意思是“有传染性的，易感染的”。只有C项符合题意。

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Recent research into aging suggests that the body’s defense mechanisms may lose

Therecentconferenceontheeffectiveuseoftheseasandoceanswasanotherat

Recentstudieshaveidentifiedfourmajorglobalenvironmentalrisks;acidrain,

Infact,anumberofrecentdevelopmentssuggestthatnewmediamayactuallybe

Thescientistshaveabsolutefreedomastowhatresearchtheythinkitbestto__

Thebookgivesabrief______ofthecourseofhisresearchuptillnow.A、outline

Researchersallovertheworldhavebeenseekingfordetermininghowearlyinfan

TheforeignministerwouldrevealnothingabouthisrecenttouroftheMiddleEa

Therecentconferenceontheeffectiveuseoftheseasandoceanswasanotherat

Researchershavediscoveredthatdolphinsareabletomimichumanspeech.A、impor

Someobserverssaytherecentcoupofamilitarygovernmentinthatcountrywill

TodayIwouldliketotellyouabouttheeffectsofoldageonhealth.Actua

[originaltext]Womennowholdabout30percentofthetoppositionsinChine

WoodrowWilsonwasreferringtotheliberalideaoftheeconomicmarketwhen

Theclassroomwasbare______adesk,anumbrellaandoneemptychair.A、inaddit

从滴丸剂组成及制法看，它具有的特点不正确的是A:设备简单、操作方便、利于劳动保护

图示电路的任意一个输出端，在任意时刻都只出现0V或5V这两个电压值。那么，该电路

麻疹的病原体是()A.风疹病毒 B.水痘-带状疱疹病毒 C.麻疹病

天王补心丹的功用是A.养血安神、清心除烦 B.滋阴养血、两调心肾 C.

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