7612÷(2114÷114),
=7612÷17,
=4.5(小时),
答:需要4.5小时.
— I'm sorry.I didn't spill the juice on your clothes________.
— Don't mention it. [ ]
A. by accident
B. in this way
C. in general
D. on purpose
“人的知识和才能是天生就有的,’’上智’’与’’下愚’’的差异是不可改变的”。这种观点在哲学上属于()
A、唯心主义先验论
B、唯物主义可知论
C、折衷主义诡辩论
D、形而上学唯物论