桂花盛开,能闻到花的香味,说明 [ ]
A.分子很小
B.分子可分
C.分子在不停地运动
D.分子之间有间隔
答案:C
28. No decision about any future plan until we have done a thorough research of the teachers’ preference.
A.has been made
B.is made
C.is being made
D.will be made
在BOT项目中,政府与项目公司是( )关系。
A.政治
B.经济合同
C.领导与被领导
D.合作