下列属于有性生殖的是[ ]
A．草履虫的分裂生殖
B．酵母菌的出芽生殖
C．病毒的增殖
D．小麦用种子繁殖
答案：D
8个月免疫接种（）
A.卡介苗
B.脊髓灰质炎疫苗
C.百白破混合制剂
D.麻疹
E.卡介苗第一次加强
—Why ______ go fishing with me?
—Sorry, I have ______ homework to do. [ ]
A. don't; too much
B. not; too many
C. not; too much
