下列是转基因植物的是[ ]
A．大棚西瓜
B．无籽西瓜
C．抗虫棉
D．太空椒
答案：C
I have three sisters. They are all . [ ]
A. woman teacher
B. woman teachers
C. women teacher
D. women teachers
留置权的产生基于合同当事人之间的特别约定。( )
