题目

如图甲、乙所示的光路图，则图乙眼睛（） A . 是近视眼 B . 一定能看清近处的物体 C . 可戴装有凹透镜的眼镜加以矫正 D . 晶状体的折光能力比图甲的弱 答案：D They had a wonderful party last night．First, they danced ________, and then they had a ________ talk, laughing merrily． [　　] A． face of face; face to face B． face to face; face-to-face C． face of face; face-to-face D． face-to-face; face to face