根据短文内容，选择适当的单词或短语填空，使短文意思完整。每个选项至多使用一次，有两项剩余。答案填写到答题纸指定位置。

How much exercise is enough? Studies show that everyone 1.._____ 30-60 minutes of exercise every day and kids need at least 60 minutes.

    Unluckily, many people have trouble in getting enough 2..______. There are many reasons such as lack (缺乏) of time, energy, and places to do it. At the same time, too many people are putting 3.. ______ food into their bodies than they burn. If you eat more than you need, you will put on 4.. ______. If you take in fewer calories than you burn, you will lose weight.

You can regularly 5.. ______ a small number of calories with everyday activities such as doing housework, climbing stairs, and washing dishes. To 6.. ______, that’s not enough. Running 5 miles can burn about 500-600 calories, 7.. ______ it’s hard for most people. In fact, you don’t need to run 5 miles a day to stay fit. There are easy ways to get enough daily exercise. 8.. ______, walking burns 8 calories per minute, and jogging (慢跑) burns 20 calories per minute.      

根据短文内容，选择适当的单词或短语填空，使短文意思完整，每个选项至多使用一次，有两项多余。

Linda and Betty were both nineteen years old. In June, after a school year was over, they decided to take a vacation_____1.___. They went to several towns and villages, visited some places of interest, saw and heard a lot of interesting things. They____2.___very much.

One afternoon, they were going to stay overnight in a small town. It was too____3.__to walk further and they wished they could find a river and swim in the cool water. They were driving their car___4._____while they were looking around. Suddenly Linda saw a lake not far away. They drove there fast and ___5.____by the lake. They looked around and found a woman sitting on the stone and fishing there. After they____6.__and were going to jump into the water, the woman came up to them and shouted, "Sorry, Madams. Swimming ____7.____in the lake!"

    "Why didn't you tell us about it____8.____we took off our clothes?" Betty said angrily. "But it isn't forbidden to take off clothes by the lake," said the woman.

根据短文内容，选择适当的单词或短语填空，使短文意思完整。每个选项至多使用一次，有两项剩余。答案填写到答题纸指定位置。