根据汉语提示，完成句子。

1. The first snow of 2010 was heavy and had a huge _______ (影响) on our lives.

2. Jack has _______ (后悔) that he spent too much time on playing computer games.

3. Air pollution may cause _______ (呼吸) problems.

4. What we have seen in the countryside these days will be _______ (难忘的).

5. We usually have a class meeting on _______ (星期三).

6. Premier ( * * ) Wen Jiabao wrote "Much Distress Regenerates a Nation" (多难兴邦) on the blackboard in

    Beichuan Middle School to ______ (鼓励) the students to study hard.