教师劳动的特点包括()
A.系统性
B.示范性
C.学习性
D.创造性
参考答案:B, D
.He thought she was a pretty girl_______poorly she was dressed.
A.how
B.as though
C.as long as
D.however
为什么我国要对畜禽实施强制免疫接种计划?