题目

完形填空   Hello! My name is Dave Brown. My 1 name is Dave. I play sports every day and I am very 2 . I eat a lot of fruit and 3 . For fruit, I like apples, oranges, pears and 4 . For vegetables, I like tomatoes and 5 . I don’t like ice-cream. I like chicken 6 dinner every day. I like playing sports, too. I 7 in the morning. I like Lin Shuhao. Do you 8 him? Yeah, he is a basketball player. I like 9 basketball, too. I play it every afternoon. It is not 10 for me. Healthy food and lots of sports make(使得)me healthy. (    )1.  A. first      B. last     C. family      如图装置可验证二氧化碳和氢氧化钠发生了化学反应：将等量的氢氧化钠溶液和蒸馏水分别加入两瓶等量二氧化碳气体中，用U型管连接．充分反应后放在水平桌面上可观察到U型管中液面出现高度差．（1）室温下利用此装置，你还可以研究              ．A．比较氧气和二氧化碳在水中的溶解能力B．比较氯酸钾和氯化钠在水中的溶解能力C．比较饱和氢氧化钠和氢氧化钙溶液吸收二氧化碳气体的能力（2）进一步思考、迁移：有                     ．