A：武昌起义
B：秋收起义
C：南昌起义
D：红军长征
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!
请你将下列菌类与其作用用线连接起来。
乳酸菌
____
a酿酒、蒸馒头
青霉菌
b制泡菜、酸奶
醋酸菌
c生产抗生素
根瘤菌
d酿醋
酵母菌
e固氮作用
在四边形ABCD中，“∃λ∈R，使得AB→=λDC→,AD→=λBC→”是“四边形ABCD为平行四边形”的( )
