在论文表述中，下面哪种说法是正确的？
A. She is a young girl.
B. She is a twenty years old girl.
C. All the studies have been done.
D. Everyone in the class is learning French.
The thesis should be written in formal and natural language.
A. 对
B. 错
在论文中“Traditional teachers’roles can't meet these requirements.这种表述是正确的。
A. 对
B. 错
在论文中引出一个人的观点时，如何交代他们的名字？
A. 给出名字
B. 给出姓和名
C. 给出头衔和姓名
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