語文的單詞怎麼寫

　　I am studying Chinese.

　　我正在學中文。

　　Translate the following paragraphs into Chinese.

　　將下面幾段譯成中文。

　　He can also speak chinese.

　　他也會說中文。

　　Lots of periodicals in foreign languages have been subscribed to, not to mention those in Chinese.

　　且不說中文期刊，外文期刊也訂了不少。

　　Chinese is our optional course to us students of science.

　　中文是我們這些理科學生的選修科目。