88、2015年3月30日,中国成功发射首颗新一代北斗导航卫星,开启了北斗卫星导航系统,实现,2020年前后,全球组网的新起点,我国自主建设,独立运行的全球卫星导航系统,改变了对美国GPS系统的依赖,也为其他国家提供了新的选择机会。中国自主建设全球卫星导航系统( )
①提高了资源在世界范围内的利用效率,②坚持了把独立自主、自力更生作为发展的根本基点,③增强了全球化条件下维护国家经济安全的能力,④实现了我国高新技术产业对发达国家的超越

10) Father took two part-time jobs (for) the sake of five children.

9) We should pass(on)onthe fine tradition of hard work from generation to generation.

8) Most boys in the school tried outfor(for)the school basketball team.

7)Although the new approach (to) language teaching has been adopted, its effect remains unknown.

6) (under) in no circumstances should you lend Paul any money.

5) They moved to the new apartment because schools and hospitals are near(at) hand

4) It was the driver’s careless driving that led(to)the traffic accident last night.

3)(In)the case of writing style,the former is more attractive.

2) Little John always shares his toys(wthe) other boys.

1) The computer has made a great impact(on)our social life.