糜烂(erosion)

With the computer's system _______. it can't be used at the moment.

A．updating

B．being updated

C．updated

D．to update

-Is that girl Kate Green?

-Yes, ____.[ ]

A. you're right

B. that's all right

C. he is

D. she isn't

抵当汤功效与作用

热轧光圆钢筋牌号HPB235的屈服强度不小于（）

A、335Mpa

B、400Mpa

C、235Mpa

D、245Mpa