I ate ___________ vegetables than I had yesterday. [ ]
A. much
B. many
C. more
D. most
答案:C
爱尔兰(小时呼)的换算关系为:1小时呼=()分钟呼。
花是由下列哪种结构发育而成的[ ]
A.花芽
B.花枝
C.花轴
D.花柄