题干
The movie was supposed to be very good since it won __________ awards.
A：the number of
B：a number of
C：few
答案(点此获取答案解析）
B
The movie was supposed to be very good since it won __________ awards.
A：the number of
B：a number of
C：few
2NO+O2在恒容密闭容器中反应，可以作为达到平衡状态的标志是