平行的两条直线没有（ ）。
交点
A meal including meat, vegetables and fruit _________ good to our health. [ ]
A. does
B. do
C. doing
粘贴于口腔，经黏膜吸收后起局部或全身作用的片剂
A．含片B．口腔贴片C．舌下片D．咀嚼片E．分散片
