问题
单项选择题
PVA是
A.羟丙甲纤维素
B.聚乙烯吡咯烷酮
C.微晶纤维素
D.聚乙烯醇
E.十二烷基磺酸钠
答案
参考答案:D
PVA是
A.羟丙甲纤维素
B.聚乙烯吡咯烷酮
C.微晶纤维素
D.聚乙烯醇
E.十二烷基磺酸钠
参考答案:D
假使你是班长,调查了同学们的健康状况,并且列出了调查表。请你根据调查表在活动中发言,倡导同学们要养成健康的习惯,并且给出一些建议。
Hello, everyone! It’s important for us to keep healthy. Many students are 71; it’s bad for our health. We shouldn’t 72 , like hamburgers and French fries. As for eyes, watching too much TV and spending much time playing computer games make our eyes near-sighted. Some students like eating sweet food, so they often have a 73. A few students sometimes have 74 because they never eat breakfast. If we want to keep in good health. I think we should 75. So let’s try to do it! |