Dear Mike(,)
I am gald to hear(that) you are going （改为coming）soon.I've planned a one-day trip to (改为for)you in Beijing.I hope you will like it.
In the moring you can first go to the Summer Palace,that (改为which)is one of the most beautiful parks in Beijing.There you can go boating and climbing.It's also a nice place for taking picture.Then in the middle of the day you can enjoy a Chinese lunch in the restaurant.In the afternoon,I suggest you to(去掉to） visit Beijing University.As you konw,it is famous both（改为not only） in China and （改为but also）in the world.Before you go back （加to）your hotel,you can drop in the book town.There are not noly different kinds of books but also many Chinese paintings.I hope you to have a good time.
Best wishes.
最后加yours someone（人名）
生物：1.D 2.C(1280-18*9) 3.B(影响主动运输） 4.B