6x19顺绕钢丝绳在一节距中的断丝数大于()，应报废。
A、8
B、9
C、10
D、12
参考答案：A
- You dress is quite beautiful on you.
- Thank you. I got it when it was on sale. It was really a __________.
A．treasure
B．mercy
C．waste
D．bargain
102×98=______，992=______．
