When you are thirsty, you can drink some green tea. It tastes good and it's very healthy. The Chinese ____ （know）about the benefits of green tea since ancient times, and they use ____ to treat everything from headaches to depression. They have ____（actual）been using green tea as a medicine for over 4,000 years.

    Nowadays, there is scientific evidence of the health benefits of green tea. According to one study ____ （publish）in a cancer research journal, drinking green tea ____（reduce）the risk of some types of cancer ____ nearly sixty percent. USA researchers have also found that green tea may prevent the____（grow）of cancer cells. There is also new evidence ____green tea can help to destroy bacteria in our bodies. It is especially effective at getting rid of the bacteria on your ____（tooth）and keep them healthy!

    According to the Chinese proverb, “It is ____（good）to go without food for three days than without tea for one.” So, in brief, you should definitely try a cup of green tea. It seems that it can only do you good.

写出带有下面部首的字，并组成词语。

扌____  ____

足____  ____

日____  ____

王____  ____

假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号(∧),并在其下面写出该加的词。

删除：把多余的词用斜线(﹨)划掉。

修改：在错的词下划一横线,并在该词下面写出修改后的词。

注意：1. 每处错误及其修改均仅限一词；2. 只允许修改10处,多者(从第11处起)不计分。

    Thank you for your letter. Due to the fact that I am on business in another city, I couldn't reply your letter directly after I received it. Now I am writing to tell you that my city has done to reduce traffic jams in the last few years.

    First of all, four subways and some expressways has been built in my city to ease the heavy traffic. Second, it is public transportation which makes it convenient for people to take buses. Third, the parking fee is raised in the downtown, it helps to reduce the number of cars come in and out.

    Now there are more buses and few cars in my city. The traffic is flowing smooth during the rush hour. Can you tell me something about the traffic in your city? Expecting for your reply!