齿连接是通过构件与构件之间直接抵承传力的连接方式，以下属于齿连接的优点的是（） A.

先阅读短文，掌握其大意。然后从方框所给的词中选出恰当的10个，并用其适当形式填空，每个词限用一次。（每小题1分）

people   boats   bird   photo   of  table   run   swim   cards   talking

    This is a picture小题1:___________ a park. There are many 小题2:___________ in the park. There aren't any flowers, but there are some trees. In the trees some小题3:____________ are singing happily.
Near the trees there are four men. Now they are playing 小题4:_____________. The man with glasses is watching them.
Look! A young man is 小题5:_____________ around the lake. Some young women are sitting at a 小题6:______________. They are drinking tea and 小题7:______________. Three girls are taking 小题8:_____________ near the lake.
There are three 小题9: ___________ on the lake. Some children are in them. Are there any young men in the lake? Let me see. Oh, yes, there are. They are 小题10:___________ in the lake.