皮皮学，免费搜题
登录
搜题
【单选题】
若要在三投影面上表达两平面相交,应该做的是:A.
,首先找到两平面上共有的垂面,并判断积聚性
B.
,首先在一平面上找直线与另一平面垂直
C.
,首先找到两平面的共有的交线,并判断可见性
D.
,首先找到两平面上共有的垂线,并判断积聚性
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
【单选题】Some weeks ago, riding in a cab from Boston to Cambridge, my driver turned and asked me what I did for a living. 'Teach English,' I said. 'Is that so?' The young man continued. 'I was an English major...
A.
To help graduates of history major become successful businessmen.
B.
To provide liberal arts graduates with a method of meeting effectively the challenge in employment.
C.
To extend their knowledge learnt in the college.
D.
To moderate the tension between liberal arts and vocational faculties.
【单选题】I_______to Cambridge in years, not since we graduated.
A.
haven’t been back
B.
didn’t go
C.
have been back
D.
went back
相关题目：