结合所学内容,请分别为下列混凝土构件和工程选用合适的水泥品种。
现浇混凝土楼板、梁、柱。
参考答案:
普通硅酸盐水泥、硅酸盐水泥、粉煤灰水泥、矿渣水泥。
阅读短文,判断正(T)误(F)。
A woman walks into a pet shop and sees a lovely little dog. She asks the shopkeeper, "Does your dog bite?"
The shopkeeper says, "No, my dog does not bite."
Then the woman bends down and tries to touch the dog. The dog bites her.
"Ouch!" she cries, "You said your dog did not bite."
The shopkeeper replies, "That is not my dog."
( ) 1. The shopkeeper's dog bites.
( ) 2. The dog in the shop does not bite the woman.
( ) 3. The dog in the shop is not the shopkeeper's.
移动营业厅接入点、重要政企客户和商业客户接入点的巡检周期为()。
A、2月1次
B、3月1次
C、半年一次
D、按需