I . 用适当的介、副词填空( 每空 2 分,共 20 分) 1 . A healthy environment is important ________ our survival. 2 . ________ how many times has the world’s population increased since 1800? 3 . Much sea life is being destroyed by fishing boats ________ well. 4 . These boats catch large numbers of fish ________ giving them time to lay eggs. 5 . They think of greedy businessmen hiding ________ their responsibilities and only worrying about money. 6 . We need to stop thinking of companies and businessmen ________ the enemy , and give them more credit! 7 . I don’t agree ________ her because then jobs will be lost. 8 . If you harm the environment , you should have to pay ________ it to be repaired. 9 . Now we will open the floor ________ discussion. 10 . What does Lin Shuiqing talk about ________ start her speech?