达到饮酒的国家标准是?()
A.2mg/100ml血液
B.10mg/100ml血液
C.20mg/100ml血液
D.30mg/100ml血液
参考答案:C
根据情景选择合适的句子。
1. 你到水果店里去买水果,想知道有没有香蕉,可以问:[ ]
A. How much are they?
B. Do you have any bananas?
2. 想知道梨卖多少钱,可以说:[ ]
A. Two yuan.
B. How much are the pears?
3. 觉得西瓜的价钱有点贵,可以说: [ ]
A. That's expensive.
B. I'll take two, please.
4. 想知道这些铅笔是在廉价出售的吗,可以问:[ ]
A. How much is this?
B. Are the pencils on sale?
未设自动灭火系统的砖混结构单层棉织品库房的最大允许占地面积为()。
A、6000m2
B、3000m2
C、4800m2
D、8000m2