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 (总理) 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.