The rodent ______ the mouse, rat, guinea pig, and porcupine, are mammals with in

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问题 The rodent ______ the mouse, rat, guinea pig, and porcupine, are mammals with incisor-like teeth in both jaws.

选项 A、made up
B、including
C、consisting
D、constitute

答案 B

解析近义辨析。made up of由……组成，构成(着重指有许多构成成分及组件等，常用被动语态)，如：Life is made up of bobs, sniffles and smiles. 生活是由啜泣，抽噎和微笑组成的。include包含，包括(侧重包含的只是整体的一部分，用分词时，常引入一个解释性短语)，如：The tour included a visit to the Science Museum．旅游项目中包括参观科学博物馆。consist of由……组成，如：Our school consists of 20 classes．我们学校是由20个班级组成的。Constitute组成，构成，如：Seven days constitute a week．七天为一星期。因此答案应为B。句意为：包括耗子、老鼠，天竺鼠和豪猪在内的啮齿类动物是哺乳动物．它们的上下颚都长有切牙。

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