喝酸奶有益健康，制作酸奶，需要利用（ ）
A：酵母菌
B：乳酸菌
C：霉菌
D：甲烷菌
Roy thinks he works as as his friend, Dan.
STUDY ENGLISH IN AMERICA
Country
Tina comes from ____.
Weekend Activity
Tina visits____ on Sundays.
Location
Tina's host family is in a ____ area.
TV Program
Tina always watches____ in the evening.
Study Time
Stay for ____ and study English as Tina does!
作文 读了上面的文章（《 如果你足够优秀》周海亮），你一定得到了一些启示和教育。请以“微笑面对生活”为题目，写一篇不少于600字的文章。学习从生动的叙事中感悟人生道理的方法。要写出真情实感。文中不得出现真实的校名和人名。
200×4=____ 130×3=____ 120×4=____
