虽然只有22年的短暂人生，但雷锋的精神却如同一面旗帜，历经风雨，始终飘扬在中华民族的精神高地。某校七年级（1）班同学开展了以“践行雷锋精神，让人生更有意义”的主题班会活动。请你一起参与其中。

如图所示，一束光线从水中斜射向空气，入射光线及法线已画出．请画出这束入射光线的反射光线和折射光线的大致传播方向．

（1）Swallows fly back to the ____ part of the country in winter every year.(南方)
（2）The space sleeping bag is fixed to the walls to prevent ____ .（飘浮）
（3）I am not sure whether the watches are those ____ .(绅士）
（4）You will get much____ if you give up eating fast food.(苗条)
（5）It is said that this kind of the car is____ designed for her.(特别的)
（6）In winter you’d better keep____  warm enough to stay healthy.(you)
（7）We____  could not believe our ears when we heard the surprising news.(simple)
（8）The water in the river is ____ . You can drink it without cooking.(harm)
（9）Works of MoYan is very popular among Chinese____  .(read)
（10）My daughter hopes to go abroad for ____ (far) study next year.