题型：判断题 阅读短文，用方框内所给单词的正确形式填空，每词限用一次。sleep, after, too, exercise, well, become, and, habit, health, times Wei Hua is a high school student and he is pretty healthy. He does 1 every day. He does it usually when he comes home 2 school. And his eating _3_are pretty good. He tries to eat more vegetables, usually ten to eleven 4 a week. He eats fruit 5 drinks milk every day. Of course, he loves junk food, 6 . But he tries to eat it only once a week. He usually keeps 7 eight or nine hours every day. So you see, he looks very 8 and happy. And his good lifestyle(生活方式) helps him 9 clever, too. Eating healthy food and doing exercise help him to study 10__. 查看答案
量浓度以及产生氢气的体积。(注：氢气的体积测定环境为标准状况)