题目

Li Ming is a school boy .He is twelve .He lives in Shanghai .He studies in the No.3 Middle School .He gets up at half past five every day .He reads English and Chinese in the morning .He has breakfast at seven .After that ,he goes to school with his friends .They have four classes in the morning and two in the afternoon .In the evening he does his homework at home .But he often watches TV on Saturday evening .Li Ming likes drawing .He draws better than his sister .He likes reading English books .Now he is reading an English book in the room .6..Li Ming is a ____________.     .A .student �如图，小红利用烧瓶、橡皮塞和玻璃管自制了一个液体温度计，该温度计是利用液体的______原理来工作的；使用中发现，微小的温度变化液柱升、降不明显．对此，请你提出一条改进的办法．______请你写出确定这支温度计的0刻度的办法______．