中苏关系破裂的时间是()
A.1967年
B.1968年
C.1969年
D.1970年
参考答案:C
找出不同类型的单词,写在括号里。
( )1. brother father mother teacher
( )2. man woman boy meet
( )3. really fourteen six eleven
( )4. twenty twelve seventeen many
( )5. grandpa grandma doctor sister
( )6. where how good what
( )7. great good this nice
( )8. nineteen three sixteen watch
( )9. this that where
( )10. I'm sorry It's OK Thank you my
信息反馈的形式有______
A.前反馈
B.后反馈
C.水平反馈
D.垂直反馈