皮皮学，免费搜题
登录
搜题
【单选题】
下列关于点的投影的描述中正确的是（ ）A.
点的X坐标表示空间点到水平投影平面的距离
B.
点的Y坐标表示空间点到水平投影平面的距离
C.
点的Z坐标表示空间点到侧立投影面的距离
D.
点的X坐标表示空间点到侧立投影面的距离
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A．Because they want to sell cans, B．Because they want to educate the tourists about park conditions. C．Because the tourists may get sick or die from dehydration. D．Because the tourists may get los...
【单选题】听力原文：M1: Hello, Sandy. Have you ever played cricket? M2: No, never. Have you, Jim? M1: No, but 1 once watched a game at the Cricket Club. M2: Did you enjoy it? M1: No, not much, though everybody else ...
A.
It's exciting.
B.
It's a slow game.
C.
It's a hard game.
D.
There is a lot of fun.
【简答题】95% 以上真性红细胞增多症患者有 基因突变
相关题目：