平面广告是一种（）广告形式。
A.二度空间
B.时间的
C.三度空间
D.空间的
参考答案：A
______the junk food is unhealthy, John ______ it. [ ]
A. Because; likes
B. Although; likes
C. Although; dislikes
D. So; dislikes
A．mgtgθ
B．mgsinθ
C．μmg
D．μmg
mgtgθ
mgsinθ