根据工作方式可分为哪几种？
参考答案：
可分为：喷雾机械、喷粉机械、弥雾机、超低量喷雾机、熏烟机械、拌种机械、诱杀器械
单句改错。
( )1. This shirt is belong to Tom.
A B C D
( )2. Miss Lee, our favourite teacher, teaches our English this term.
( )3. Do you fond of playing cards or playing chess?
( )4. Helen is ill and she is in the hospital for two months.
( )5. Elephants are the biggest live animals on land.
下列物质中，碘元素的化合价为+5价的是
A．NaIO4
B．NaIO3
C．NaI
D．I2
