根据句意、汉语或首字母提示，补全单词，完成句子。

1.1t is not polite to s       your chopsticks into your food.

2. You are rude to p        at others with your fingers.

3. Hawaii is famous for its beautiful         （海滩）．

4. Most Chinese people are not accustomed to eating with f    and knife.

5.I am        (饱了)and I am not willing to eat anything any more.

闸门按工作性质可分为平面闸门、弧形闸门、人字闸门、扇形闸门、圆辊闸门和圆筒闸门等。