鼻咽癌好发于()。
A.咽隐窝
B.咽鼓管圆枕
C.咽鼓管咽口
D.鼻咽后壁
E.以上均不是
参考答案:A
— Are you sure the delegation will come to our school next week?
— _____. The head of it has just emailed me about the departure time of their flight.
A.No wonder
B.You bet
C.Don’t mention it
D.Definitely not
1992年首次召开“可持续发展问题世界首脑会议”,制定并通过()和《里约宣言》,正式提出厂可持续发展战略。
A.《我们共同的未来》
B.《可持续发展报告》
C《可持续发展宣言》
D.《21世纪议程》