作文。

        题目：最为重要的 
        要求：① 写一篇记叙文，字数600字左右；② 文中不得出现真实的人名、校名、地名；③书写规范，卷面整洁。

正常健康人的尿液中不可能有的物质是（　　）

①葡萄糖      ②无机盐      ③血细胞        ④大分子蛋白质．

按所给的汉语，用英语完成下列句子
在业余爱好上花些时间对我们来说是必要的。
It is necessary ____on our hobbies.
那个报告使每一个听到的人感到振奋。
____ everybody who listened to it.
布朗先生已经离开无锡三个多月了，他将于一周后返回。
Mr. Brown____ for more than three months. He will come
back in a week.
你认为今天报纸上的那幅卡通画与文章相配吗？
Do you think that ____  in today's newspaper?
校长正在伏案疾书，所以我们没有惊动他。
The principal was busy writing at his desk, so____.
刚才没有人注意他所说的话。
Just now no ____  he said.

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

      I was nine years old when I learnt to ride a bike. The bike was a birthday present from my uncle. You can imagine how  ____(excite)I was when I saw the bike, and I begged my uncle to teach me how  ____(ride)it right away. However, before I got on the bike, I felt  ____(extreme)nervous and I was afraid that I would fall off and hurt ____(me). My uncle held onto the seat and helpedme to get  ____the bike. While I was riding, he wasrunning along beside me, holding the seat so I would not fall over. I was so ____(grate) to him for his help.

    As I was practicing, I became more and more confident. Then, Iheard my uncle shouting, “You are riding it by yourself now!” I was bothexcited and scared. I was really riding by myself, but  ____if I fell off? Could I use the brakesto stop? As I was wondering about this, my uncle ran after me and got hold ofthe bike. I  ____(slow) down and came to a stop. Myheart was still beating fast when I got off the bike. ____ (late) that day, having learnt how to get onthe bike and get off it, I felt like I was walking on air! I am still thankfulto my uncle for teaching me to ride a bike on my ____ (nine) birthday.

观察图，结合所学知识，下列表述正确的是（   ）

①西藏自治区正式成立于1965年 ②西藏是1965年解放的③西藏居住着以藏族为主的多个民族④民族区域自治制度保证了民族的团结