The immune system (protects) the body (by) recognizing and destroying (abnormall

游客2025-05-11  0

问题 The immune system (protects) the body (by) recognizing and destroying (abnormally) or foreign cells, as well as (providing) antibodies to fight bacteria.

选项 A、protects
B、by
C、abnormally
D、providing

答案 C改为abnormal

解析 形容词修饰名词cells。
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