1.It's a water programme,you have to use your own hands to pull or push a stick to make the boat go ahead.It's_____.
（high jump,long jump,swimmng,diving,water polo,badminton,boxing,baseball,basketball,football,rowing,skating,sailing,running,volleyball,shooting,tennis,table tennis,cycling,hockey,handball,wrestling)
二.填空题.
1.the room which has no walls,no doors,no windows,and no floors is called_____.
2.The person who tried to make you smile most of the time is_____.
3.It has a soft bed but never sleeps,a big mouth but never speaks.It's_____.
4.What is easy to get into,but hard to get out of?It's_____.
（注：是我苦思冥想了很久以后又被老师打了个大叉.
上面的题像百科问题似的,虽然我已知道了整个句子的意思,但还是很难知道问题的答案.网上的高手们请尽量用小学生的水平帮我回答一下,）