一本书有66页，芳芳准备3天看完，平均每天看多少页？
66÷3=22（页）
The president announced that ______________ (他将会依照证据办事) as presented to him.
一根长1500m的60kg/m钢轨，当轨温变化10℃时，钢轨内产生多大的温度力？
