1．下列方程中，解为 的方程是 （ ） A． B． C． D． 2．若代数式 的值与字母x的取值无关，则m的值是（ ） A．2 B．－2 C．－3 D．0 下载地址： 数学培优强化训练（二）...

Ⅰ、Choose the best answer. （共20分） ( )1. What is the girls name? ______ name is Michael. A. My B. Your C. His D. Her ( ) 2. How______ is the data line? Its about eighty dollars. A. long B. old C. many D. much ( ) 3. Jackson borrow...