剪刃的线速度要比轧件速度快()。
参考答案:5%-10%
我会组词。
驱( )俏( )侠( )吻( )
躯( )峭( )峡( )勿( )
巷( )宠( )津( )惑( )
港( )庞( )律( )或( )
Mr Smith spoke slowly and clearly to________all of us students could follow him.[ ]
A.test
B.be sure
C.examine
D.make sure