沼气的主要成分是(),其分子式是CH4。
参考答案:甲烷
I suggested to my father that we________to Dalian for a holiday this summer, but the expression on
his face suggested that he________to it. [ ]
A. go; shouldn't agree
B. would go; shouldn't agree
C. go; didn't agree
D. would go; didn't agree
证券公司为单一客户办理定向资产管理业务,可以设立限定性集合资产管理计划和非限定性集合资产管理计划。( )