1 . 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。

As a saying go, “All work and no play makes Jack a dull boy.” However, it is necessary for us take exercise. By taking exercise we can get physically and mentally relaxing. At the same time, we can have a very well figure. If we don’t take exercise for a long time, we may easily fall sick.

Actually, I enjoy a various of outdoor sports, of which swimming in the sea is mine favorite. Because there are so many swimmer in swimming pool and the water is always dirty, I have a preference in swimming in the sea. Besides, I am also interested in playing the badminton.

2 . There are a lot of benefits to staying physically fit. You’ll have more energy, you’ll look great, and you’ll notice improvements in your health.     1     However, if you focus on exercise, you can make a lot of healthy physical changes.

Find the time. Exercise is one of the most important aspects in staying (or becoming) fit and healthy.     2     Try scheduling your exercise the same way that you schedule other appointments and work. You’ll be more likely to stick to it if it’s on the calendar (日历).

    3     You will see the most benefits from exercise if you do it regularly. One good way to make you stick to it is to pick a form of exercise that you enjoy. For example, if you like swimming, make it a point to swim twice a week.

Go outdoors. It is really good to work out at a gym—without air conditioning and televisions. But scientists report that exercising outdoors, at least part of the time, can have more benefits.     4    

Be social. If you join other people in your exercise routine, you’ll see a positive influence in your results.     5     If you schedule an activity with a friend, you are less likely to cancel than if you were only cancelling on yourself.

A．Make it a habit.

B．Enjoy your exercise.

C．Unfortunately, it’s not always easy to stay in great shape.

D．In a word, it is absolutely good for you to stay physically fit.

E．Finding a workout partner can help you to stick to your exercise.

F．The road or sidewalk challenges your body in ways that gyms can’t do.

G．Experts recommend that you should be active for at least 30 minutes per day.