题目内容

All the languages in the world today have both spoken and written forms.

A. 对
B. 错

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Language has many functions. We can use language to talk about itself. This function is __________.

Linguistics is the __________ study of language.

菌丝体按照功能分，可分为（）

A. 营养菌丝
B. 气生菌丝
C. 繁殖菌丝
D. 有隔菌丝

霉菌的无性孢子包括（）

A. 节孢子
B. 厚垣孢子
C. 孢囊孢子
D. 分生孢子