阅读文章，回答问题。 Hello, boys and girls. Let me tell you something about our art room. In my school, there is an art room. It is clean. 1. There is a teacher and twenty students in it now . There are twenty desks in it. 2. Two desks _____ big and ______ desks are small. There are three balls and five boxes on the small desks. On the small desks,there are eighteen pencils and fifteen rubbers. There are thirteen pictures and a poster on the wall. We are very happy in the art room. 1. 把⑴处下画线的句子译成中文. ____________________________________________________ 2. 在⑵处填上适当的词,使句子通顺正确. ____________________________________________________ 3. 回答问题:What's on the small desks? ____________________________________________________ 4. 在文中找出与所给句子意思相近的句子.We have an art room in our school. ____________________________________________________ 5. 在文章中找出主题句(中心句)将其写在下面横线上. ____________________________________________________