市政公用工程施工进度报告通常用的比较方法布包括( )。
A．横道图比较法B．S形曲线比较法C．“香蕉”形曲线比较法D．单价分析法
参考答案：D
阳光下车身看起来很“耀眼”，这是光的_____________现象：小轿车的前窗玻璃倾斜安装，可以避免因_____________成像而对司机的视线造成干扰。
Was it in 1997______he was still at middle school_______ this boy became an expert at computer?
A．that; where
B．when; where
C．in which; in which
D．when; that
