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Recent research into aging suggests that the body’s defense mechanisms may lose
Recent research into aging suggests that the body’s defense mechanisms may lose
游客
2025-01-22
30
管理
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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