单项选择题

What determined the shape of the snowflakes

A．The shape of dust particles in the air.
B．The relative humidity.
C．The temperature of the air.
D．The geography of the area.
<上一题 目录 下一题>
热门 试题

单项选择题
What does the man imply
A．He was been fined by the library.
B．It was hard to carry all the books to the library.
C．He doesn’t want to help the woman.
D．He is going to return books.
单项选择题
A．plantB．factoryC．workshopD．mill
A．plant
B．factory
C．workshop
D．mill
相关试题