1 . 选择适当的短语填空

on behalf of     dozens of     refer to       have an impact on lead to       end up       contribute to       set up       carry out       in effect

1. ________ our school, I appeal to each student to take more physical exercise.
2. The measures will remain ________ for at least two weeks.
3. Arts________ cultural development when people gather together to share their experience.
4. Jim entered the competition without much hope, not thinking he would________ with the first prize.
5. To begin with, it will not only________ a lack of energy but also cause us to suffer from headaches.
6. But for________ moderate but effective policies, the lake wouldn’t have become more and more beautiful.