若a=0.76,b=60.7,c=log0.76,则a,b,c三个数的大小关系是:(用符号“<”连接这三个字母)( )
c<a<b
They ________ to enter the building by the back door; however, the front door was locked.
A.are supposed
B.aren’t supposed
C.weren’t supposed
D.were supposed
LNG储罐按储罐的形状分为()
A.球形罐和圆柱形罐
B.地上形罐和地下形罐
C.双金属形和薄膜型
D.立式双壁罐和立式子母罐