一、根据中文提示补全句子。
1. Great people never stop trying to (让所有人的生活更美好).
2. They work hard and find the answers to (大大小小的问题).
3. We can help people (用我们自己微小的方式).
4. Cai Lun (做了很多研究) on making paper.
5. It was very difficult, but he (从不放弃).

1. make life better for all 2. problems big and small 3. in our own small way 4. did a lot of studies 5. never gave up

二、Sam 在网上看到了关于中国古代发明家的一些信息。请你阅读短文，在空白处填入一个适当的单词或用括号内所给词的正确形式补全短文。
A long time ago, there (be) a craftsman. His name was Lu Ban.
One day, Lu Ban was work on a mountain. A leaf cut his finger. Lu Ban thought, “How could such a small leaf hurt my finger?” He (look) at the leaf carefully. There were many (tooth) on the leaf, and the teeth were sharp. “Could I make tool with teeth like these? I could cut things with it (easy),” Lu Ban said to himself.
Soon Lu Ban (make) a saw. It was the first saw in the world. People are still (use) this tool today.

was; at; looked; teeth; a; easily; made; using

三、新素材 刘涛和王兵读了绘本《木牛流马》，请你根据绘本内容，给下列句子排序。

() Zhuge Liang made wooden oxen and flowing horses.
() The three kingdoms fought a lot and the Shu army had no food.
() Sima Yi's soldiers stole some machines and made more.
() Shu soldiers changed the machines and they could not move.
() The machines worked well and the Shu army got enough food.

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