按铣刀的（）分类，铣刀可分为整体铣刀、镶齿铣刀和可转位铣刀。
A.切削部分材料
B.结构
C.刀齿构造
D.装夹方式
参考答案：B
将下列句子改为宾语从句。
1. He said. He has a big house.
He said ______ ______ a big house.
2. Nobody knows. Did anybody get there on time?
Nobody knows ______ anybody ______ there on time.
3. She wondered. Where can she wait for No. 11 bus?
She wondered ______ she ______ ______ for No. 11 bus.
4. Aunt Liu asked her son :"Do you find my purse?"
Aunt Liu asked her son ______ ______ _______ _______ purse.
5. The teacher told the students :"The sun is bigger than the moon."
The teacher told the students ______ the sun ______ bigger than the moon.
6. Did you know?What’s your father doing ?
Did you know _______ your father _______ doing?
地籍图上一类界址点间距允许误差不得超过( )cm。
A．±5 B．±10 C．±15 D．±20
