2. 外语
  3. Regulated change is often a reaction to a problem______the human body reacts to certain infections by raising its temperature.

Regulated change is often a reaction to a problem______the human body reacts to certain infections by raising its temperature.

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问题 Regulated change is often a reaction to a problem______the human body reacts to certain infections by raising its temperature.
选项 A、, such as
B、. Such as
C、, for example
D、; for example,
答案D
解析 The sentence has two independent clauses. A semicolon follows the first clause, and a comma follows the transition for example.
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