单词拼写

1. I would really a ____  it if you could turn the musicdown.

2. The rise in the price of bread will ____ ( 影响) all the people in that small town.

3.Information must be stored so that it is _____( 安全的) from accidental deletion.

4. For the past three years he has been e ____  as a firefighter.

5. The teacher walked around  ____   ( 检查)their work.

一个修路队要修一条长2100米的公路，前5天平均每天修240米，余下的任务要3天完成，平均每天要修多少米？