单项选择题
使用反射机制可以查看类的属性。（ ）
A．对
B．错
使用反射机制可以查看类的属性。（ ）
A．对
B．错
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越小，反应速率越大。（ ）单项选择题
Even though people all use the Chinese language, they speak in different ways in different areas, which are called ____
Even though people all use the Chinese language, they speak in different ways in different areas, which are called ____
A．Idiom
B．Dialects
C．Proverbs
D．Poetry