简述利益群体的相互关系。

—You must get excited about going to France to study oil painting.

—___________,but I’m afraid I can’t do well because my French is too poor.

A．I don’t know yet

B．Certainly not

C．Well,I ought to

D．All right 

膈肌食管裂孔位于第几胸椎水平（）

A.第8胸椎

B.第9胸椎

C.第10胸椎

D.第11胸椎

E.第12胸椎

—Tom, you never told me why you were late for school again,_____ you?        

—____. But maybe you forgot it, sir.                           

A．weren’t, No

B．did, No

C．did, Yes

D．didn’t, No

增加麦汁暂存槽或麦汁预煮锅，可缩短麦汁煮沸锅的进料时间，提高其设备利用率。

事实证明，（）是决定当代中国命运的关键抉择。