—Sunny Cinema is the best movie theater in this city, because you can buy the tickets here the most ______.

—You are right. The prices in other cinemas are much higher.

你到草莓园里摘过草莓吗？你注意过草莓是怎样繁殖的吗？如果将草莓直接种到土壤中，草莓是不能发育出幼苗。因此，人们常用草莓茎上长出的芽来培育幼苗，这种生殖方式属于(     )