下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。

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：把多余的词作斜线（\）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。

Dear Sir，

Thank you for your offer of invite me to the summer English course in your school. As for your choice between the two courses, I prefer the four-week course for 60 hours of study. Because of this would allow me more times to do some travelling and make a few new friends either. Of all the subjects I'm learning at school, I like English best. I had been learning English for 6 years but my spoken English remains poorly. So I hope to take this chance to improve it. If is possible, I'd like to stay with a family for a couple of days in order I can know some customs in England. I believe I will have wonderful time this summer.

Yours truly,

Li Hua

注意：1．每处错误及其修改均仅限一；

2．只允许修改10处多者从第11处起不计分。

Kate was always unhappy about her figure, but she didn't know how to lose the weight. One day, she went to consulting a doctor. The doctor advised her to have a balancing diet and exercise more. So her parents were both busy earning their living and couldn't provide Kate a healthy diet. She often ate fast food who contained too much fat. She knew she ought to eat more vegetables and fruit that were good for her healthy. Luckily, two weeks late, with the help of the doctor, Kate become thinner. He was very happy and became more confidence about herself.

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(＼)划掉。

修改：在错的词下画一横线，并在该词下面写出修改后的词。

注意：⒈每处错误及其修改均仅限一词；

⒉只允许修改10处，多者（从第11处起）不计分。

    Last weekend, after pay a visit to the city of New York, I visited the Smithsonian Institutions National Air and Space Museum, where lies in Washington, D.C.

    The museum, which covers a area of 18,000 square meters, is made of 24 exhibition halls. All kinds of planes, rockets, missiles and spaceship of great importance and variously old instruments that famous pilots and astronauts used are on display. In addition, I see copies of some satellites and aircraft. More interestingly, I tried operating on some aircraft by myself. During the visit, I took lots of pictures as well.

    This brief visit helped myself learn much about the history of human's space exploration. It made me more interesting in science and technology.

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。

    Have you ever had headache during a test? Have you ever been too concerned about something that you even can't sleep at night? If so, then you know that stress is. Too much stress can result in angry, depression and other related problems, which we need to take them seriously.

    However, not all stress was harmful to you. Some kinds of stress can help you getting things done better, like when you are running towards the finishing line or when you are asking to deliver a speech to your class. Stress sometimes can push you to make full preparations for a test.

    The best approach of reducing stress is to have a balanced life. If you get enough sleep, eat proper, take more exercise and have enough fun time, you might feel less stressed.

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：在错的词下画一横线，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。

    Last Sunday morning, when I was having a walk in the park near my home, I came across a crew make a new film with one of my favorite actor. I didn't have my camera with me at that time, but I rushed back home to get. Unfortunately, by the time I got back, they have finished the scene and the actor couldn't be seen everywhere. I was really disappointing and about to leave while he walked out of a building. He was right there in the front of me! I couldn't believe my luck — not only did I had my photo taken with him, but he signed his name on my shirt!

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。

    We have been travelling for more than a week already but arrived in Saudi Arabia today. Most people here wear traditional type of long and loose clothing that cover the whole body. Saudi Arabia is in the desert, and in summer, the weather is extreme hot. One of the tour guide told us that it gets as hotter as 50℃ every summer. Wear this kind of clothing may be very comfortable in that weather, but this is winter and quite cool now. During the day in winter, it was about 22℃ and about 13℃ in the evening. I think I will find the weather a bit of cold when we return to China.