35/10(6)kV变电所()设在有火灾危险区域的正上面或正下面。
A.不宜
B.宜
C.应
D.不应
参考答案:A
下列说法中正确的是( )
A.含有羟基的有机物称为醇
B.能发生银镜反应的有机物都是醛
C.苯酚俗称石炭酸,酸性比碳酸强
D.酯类在碱性条件下的水解程度大于酸性条件下的水解程度
They went to the park yesterday, ________?
A.don't they
B.didn't they
C.aren't they
D.can't they