文档来源：弘毅教育园丁网数学第一站Unit 1 Dream homes（总分：100分 时间：90分钟）一、单项选择。(15分)( )1. - If a=4, b=5, whats the answer to the question a+2ab+1=? -_.A Forty fifth B Forty fiveC. Twenty three D. One hundred and twenty one( )2. Thats a good place_ football.A. play with B. to play C. to play the D. to play with( )3. Fifty five million, five hundred and sixty seven thousand, three hundred and ei
