皮皮学，免费搜题
登录
搜题
【多选题】
已知tanα·cosα<0,则α为第( )象限角。A.
一
B.
二
C.
三
D.
四
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
【单选题】国际上通用的能量单位是焦耳，如换算为千卡每kJ等于
A.
0.239kcal
B.
0.418kcal
C.
23.9kcal
D.
41.8kcal
E.
239kcal
【单选题】听力原文：W: Hi, Mark. I didn't know you could paint. M: Well, I'm just learning. It's for my studio art class. W: Ifs pretty good for a beginner. M: Oh thanks, Judy. The instructor really liked my schedul...
A.
A study group.
B.
A history exam.
C.
The man's painting.
D.
A professional artist.
【简答题】用括号中所给词的适当形式填空。 1. He _____ (buy) a pair of shoes on his way home last week. 2. There _____ (be) some water in the cup then. 3. It's so hot. You'd better _____ (open) the windows. 4. —Who _____ (win)...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
