右图为某连环画中的一页，其中文字：“就这样，杜聿明集团被围困在陈官庄一带方圆10余里的地区，打不出去，走不了。然而，30余万国民党军和随军而来的家属，吃饭成了大问题。撤出徐州时，只带了几天的粮弹。于是，30余万人的生命全系在飘飘忽忽的降落伞上了。”图中所示的战役的是(　　)

  ____和____都是细胞中的能量转换器．

先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案.

Dear Grandmother and Grandfather,

    How's it going? Last Sunday I went to Long Bay with my1．We got up at 6：30 in the morning．We ate breakfast at 7：00，2then we left for Long Bay．My father is a good driver and he3fast．But I have to say, the trip was a little4．When we got there,5was already(已经)ten o'clock.

    Frist we swam and played balls in the water6 over an hour. After that，we ate a big lunch in a restaurant．In the afternoon my mother and I7the sunshine on the beach．My father went8．He didn't get any fish．but it was9．Soon it was time to go home.My parents and I10Long Bay．What a great day we had!

    I will visit you with my parents this weekend．I miss you very much．

    Kate