糖皮质激素类药物可用于治疗A．原发性血小板增多症 B．急性淋巴细胞白血病 C．慢性粒

           Last Sunday we had a fantastic trip. My father, my mother and  I   1   to summer camp.
We went to the mountains. First we   2   to the foot (脚)of the mountain   3   bus. In the middle
of the mountain there was a river(河). The water was clean. I washed my face (洗脸)   4  the
water. It was warm. There   5  some fishes in the river. In the mountain there Were flowers (花).
They were very   6   . At  12 o'clock,many people got together(在一起),and they were very   7  
 we made our lunch in the mountain. The food was very   8  , and we liked it very much. After
lunch,we went on our trip. Last,we got to the top(顶)of the mountain. We were very   9   It was
really   10  .