四级作文突击啦

1.play an indispensable role in

2.hold a/an -- attitude on

3.我认为from my perspective,many people maintain that

4.提供present ,deliver,offer,bring,give

5.提高promotion,improvement,advancement,increase

6.arouse/draw wide public attention

7.make joint efforts to

8.有机会have access to

9.沉迷于be indulge in

10.对。。。构成威胁pose a treat to

11.far from=not