图中①岛屿近年来进行了大规模开发，其空气污染问题逐渐严重，甚至影响到②海峡的航运。读图回答5～6题。

小题1:下列产业活动中，与①岛产生严重空气污染关联性最明显的是

A．采挖锡矿

B．扩大耕地

C．海洋运输

D．生活燃煤小题2:①岛的空气污染对②海峡的航运影响比较明显的月份是

A．1～3月

B．4～5月

C．6～9月

D．10～12月

“Don’t talk in class again ”, the teacher said to him .

The teacher ________.

A．asks him not to talk in class again

B．told him to not talk in class again

C．asked him to not talk in class again

D．told him not to talk in class again