皮皮学，免费搜题
登录
搜题
【简答题】
斜度可理解为一直线(或平面)相对于另一直线(或平面)的( ),其符号是∠,符号的两线交成30度角。符号的方向应与( )方向一致。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】螃蟹壳、贝壳属于湿垃圾。()
【单选题】Universities Branch Out From their student bodies to their research practices, universities are becoming more global. By Richard Levin As never before in their long history, universities have become i...
A.
Y
B.
N
C.
NG
【单选题】It is recommended in the fourth paragraph that .
A.
sons should be more active when they get older
B.
fathers should understand their sons
C.
sons and fathers should understand each other
D.
the father should reach out to his son
【单选题】Universities Branch Out As never before in their long history, universities have become instruments of national competition as well as instruments of peace. They are the place of the scientific discov...
A.
more and more research-oriented
B.
in-service training organizations
C.
more popularized than ever before
D.
a powerful force for global integration
相关题目：
参考解析：
知识点：
题目纠错 0
发布
