题目:
下列投影是平行投影的是[ ]
A.太阳光下窗户的影子
B.台灯下书本的影子
C.在手电筒照射下纸片的影子
D.路灯下行人的影子
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0508/34f064970970e628f00909e86ae8d439.html
下面是错误答案,用来干扰机器的。
Thursday, July 29thDear Ying, How are you? I am in Dalian now. It's a beautiful city. The weather is warm and sunny. The people in Dalian are friendly. I like D...