根据《企业所得税法》的规定,对国家需要重点扶持的高新技术企业,给予企业所得税税率优惠。优惠税率为( )。
A.10%
B.15%
C.20%
D.25%
参考答案:B
—Can you tell me ________ the refrigerator?
—Last month. [ ]
A. when did he buy
B. where he bought
C. where did he buy
D. when he bought
在煤尘爆炸和防爆、隔爆措施中,()既是减少粉尘危害工人健康的措施,也是防止煤尘爆炸的治本措施。