Travel is useful to us in at least three ways.

First, by t 小题1: we can enjoy the beautiful scenery (风景) of different place. We can see   many which can be read about in books w 小题2:  our eyes and v 小题3:  some famous cities and interesting places.

S 小题4: , we will meet people with different interests and see strange and different things when we travel. We can get ideas of the conditions and customs(风俗) of o 小题5:   people, taste different foods and local favors(偏爱) if we like. I 小题6: this way, we can understand how other different people live.

Third, travel will help us gain（获得）k 小题7: of geography and history , travel will also help us keep h  小题8:  and strong.

With all these a  小题9: of travel, it is no wonder that travel has now become more p 小题10:   than ever in China.

月末在产品数量很少或在产品数量较大但在产品数量变动不大的情况下，为简化核算，在产品成本可以按照年初固定数计算，l到12月份完工产品的成本与本月生产费用相等。( )