判断题

手推磨产生的是封建主的社会，蒸汽磨产生的是工业资本家的社会。（）
正确
错误

答案：正确

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单项选择题

响度级的单位是()
A、帕
B、分贝
C、方
D、立方米

单项选择题

2. The Greek alphabet was simpler than the Egyptian system for all the following reasons EXCEPT that _______.
　　
　　
　　
A、A. the former was easy to write.
B、B. there were fewer signs in the former.
C、C. the former was easy to pronounce.
D、D. each sign stood for only one sound