我国人口最突出的特点是[ ]
A．人口自然增长率高
B．人口分布不均
C．人口基数大，增长快
D．人口迁移量大
答案：C
— Miss Wang, it seems _____ you like to play with the children.
— Yes, they are so lovely. [ ]
A. as
B. that
C. what
十二指肠溃疡的好发部位是( )
A．壶腹部B．升部C．球部D．降部E．水平部
