车用乙醇汽油是将燃料乙醇和汽油以一定的比例混合而成的一种汽油燃料,那么乙醇汽油属于( )
A.氧化物
B.纯净物
C.混合物
D.化合物
答案:C
The Browns sent lots of invitations for their party. But because of the improper time, few people ________ it.
A.attended
B.accepted
C.received
D.donated
现代经营思想的重要标志是()。
A.公众意识
B.发展意识
C.开放意识
D.信息意识