2. 外语
  3. The immune system (protects) the body (by) recognizing and destroying (abnormally) or foreign cells, as well as (providing) anti

The immune system (protects) the body (by) recognizing and destroying (abnormally) or foreign cells, as well as (providing) anti

admin2008-10-11  40
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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