税务登记要求在领到营业执照后()天内办理。
A、20
B、30
C、40
D、10
参考答案:B
To get to the top of the mountain, we had to _______.
A.go some walking
B.do a lot of climbing
C.walking a long way
D.doing a lot of climbing
在全面质量管理中,什么叫PDCA循环法?