在“绿叶在光下制造有机物”的实验中，叶片的见光部分遇到碘液变成了蓝色，说明光合作用的产物主要是（   ）

若以A（-0.5，0）、B（2，0）、C（0，1）三点为顶点要画平行四边形，则第四个顶点不可能在（　　）

组一组。

日：____、____

中：____、____

根据以下五位学生在英语学习中遇到的困难，从所给的选项A-E中，选出每个人所需要读的文章。

①Gamaham: The most difficult thing about learning English is to remember new words. I study the words and remember them, but a week later I have forgotten most of them. When reading something in English, I always get into trouble when I come across a new word. There must be a better way to learn new words. ____ 

②Viekers: I have been studying English for so long now, and I don't enjoy it any more. I used to like it, but now I feel as if I'm not making any progress. I wish there was something I could do to make me interested in studying English again.  ____ 

③Selina: I wish I could improve my spoken English. Every time I join in a group discussion or try to speak English to someone, I find it difficult to express myself. I don't know what to say and I can't think of the words I need. ____ 

④Gina: I don't like English at all. Why do we have to study English? I'd rather spend more time on maths and science, because I think those subjects are more important. ____ 

⑤Jim: I think it's easy to remember new grammar rules, but when writing something I always make a lot of mistakes. How can I learn to use the rules that I have learned? ____ 

如图所示是比较晶体与非晶体熔化规律的实验．