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

游客2025-01-22 22

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

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