一条射线绕它的端点旋转一周所成的角叫做（ ），是（ ）度。
周角；360
This girl is my sister. ____ is 5 years old. [ ]
A. It
B. She
C. He
根据句意、首字母及图片提示完成单词
1. Pork and b_____( )are meat.
2. I like drinking melon j _____ ( ).
3. There are some o_____ ()on the table.
4. Please put the c_____( )in the box.
5. They are p_____( ).
)are meat. 
). 
)on the table. 
)in the box. 
).