纳税人享受减税、免税待遇的，在减税、免税期问可以不办理纳税申报。()
查看答案
自动化仪表线路配管规定，高压钢管的弯曲半径宜大于管子外径的()。
A. 3.5倍
B. 4倍
C. 4.5倍
D. 5倍
If you cross the Atlantic ocean going east, you set your clock______.
A. ahead one hour in each new time zone
B. ahead one hour for the whole trip
C. back one hour in each new time zone
D. back one hour for the whole trip
______the kids have left home, we've got a lot of extra space.
A. Since
B. Now that
C. Even if
D. Even so
指数体系中，总指数等于它的各因素指数之和。
A. 正确
B. 错误
微信支付 
支付宝支付