题目

 如图，将Rt△ABC绕点A按顺时针旋转一定角度得到Rt△ADE，点B的对应点D恰好落在BC边上．若AC＝，∠B＝60°，则CD的长为（） A． 0.5               B． 1.5 C．                D． 1       答案：D；The bottle is full _________water. Who has filled it _________water?A. of; with B. with; of C. with; with D. of; of