农民用大蒜的蒜瓣埋在土壤里面长出葱绿的大蒜，这种无性生殖的类型是（ ）
A．营养生殖
B．分裂生殖
C．出芽生殖
D．孢子生殖
答案：A
She had wanted to go to the west part of China in search of better view. But she turned ___voluntary teacher there.
A．a; /
B．the; /
C．the; a
D．a; the
商品品质是商品的内在质量和外观形态的综合。下列属于外观形态的是（）
A.化学成分
B.物理性能
C.生物学特征
D.味道
