16．　　When we prepare fruit and vegetables, we peel skins, cut off leaves, and throw away the seeds. While this may like a (1)       thing to do, it's actually a waste of good food. Some of these wastes are full of (2)      useful and can be put into use in surprising ways!
　　If you use carrots in your cooking, you (3)      cut off the green tops and throw them away. (4)      carrot tops have more vitamin (维生素) A than their orange roots. So (5)      using them in soup or a salad instead of throwing them away.
　　When it comes to preparing broccoli many of us cut off the stalks (茎) and leaves. This is a (6)      , as these parts can be used in many kinds of dishes. This stalks and leaves are very (7)      , too. Another vegetable part often wasted is the skin of onions. Surprisingly, it has something that (8)       to manage blood pressure.
　　When we eat fruit, we (9)      throw away many parts that are actually good for us. A(10)      example is watermelon. We usually (11)       watermelon seeds and skins, but they can be eaten, too!In(12)      , the skins have something that is good for heart health.
　　Orange peel is also full of vitamins. Simply keep the peel when you (13)      oranges. Another kind of fruit peel you've probably never(14)      eating is banana peel. It's safe to eat and has something that can help you relax.
　　Next time you're making something to eat, think twice (15)      you throw the food wastes. Not only will you waste less, but you'll also get something helpful from them!

17．　　The history of women in space began 60 years ago. Since then, 57 women astronauts from nine different countries have flown into space.

18．　　I am Wilson. My sister and I spent our summer holidays with our uncle this year. He was a geologist and loved to collect stones.
　　One day, he bought us two backpacks and asked us to go to the mountain with him. We walked the whole day. Every now and then he put stones in our backpacks. To our surprise, he also took some stones out from them. But we thought he had just found better stones.
　　When we returned to the house, we were very tired. The backpacks were so heavy that we felt great relief when we took them off. Yet our uncle's backpack was half empty.
　　"Why did you give us so many stones?" we asked.
　　"I didn't. You did," he said. "You didn't know it, but I gave you a little attitude test today. I listened to every word you said. Whenever you were complaining, I added a stone to your backpacks. Whenever you talked about something with positive thinking, I took out a stone. And now look at your backpacks."
　　Our backpacks were full of stones.
　　"Your negative thoughts are just like stones. You carry them in your mind just like those stones in your backpacks. The more negative thoughts you have, the heavier your mind will be." said our uncle.
　　With great love, our uncle taught us one of the most important lessons in life — the power of the attitude.

19．　　You're going to be a senior high school, aren't you?Maybe you are a common student. You probably think you will never be a top student. But anyone can be a better student if he or she wants to. Here's some advice on how to be a good student.
　　Manage your time carefully. It's good to keep a habit of planning your time every day. It's very useful to know what you will do. We plan your week, you should make a list of things that you have to do.
　　Then you should make a schedule (行程安排) of your time for eating, sleeping, studying and even amusements.
　　Make use of your time. Listen to everything the teacher say in class. Listening carefully in class means less work later. Don't forget to take notes. It will help you remember what the teacher says. Be sure to put your heart into the book, and you will get more from it. If you read absentmindedly (心不在焉), you will get nothing from the book.
　　Develop good attitudes. You should build up friendship. Try to make more friends. And you can meet new people, find new friends and even talk to people you don't like. You never know what will happen in the future. Have a healthy eating habits. Try different kinds of food and get enough fruit and vegetables. If not, you won't get the nutrients (营养) you need to grow each day.
根据短文内容, 完成下列表格的信息记录．(每空限填1﹣2词)

20．　　You may have heard the saying "The Yangtze River is China's mother river." As the world's third longest river, its valley (流域) covers one-fifth of China's land area.
　　China passed the Yangtze River Protection Law(法律) in December, 2020. It is the first law to protect a waterway in China. It began being carried out on March 1, 2021.
　　The"mother river"is in great need of protection ①_____something is wrong with it. For example, because of overfishing and water pollution, the river's Chinese paddle fish (白鲟) have completely disappeared after living for 150 million years. It is a pity that we can no longer see them in the Yangtze River.
　　The Yangtze River Protection Law includes bans (禁止) on activity that could be harmful to the river. It also includes much heavier punishments for those who don't ②_____the law.
　　Under the law, fishing is banned in all of the Yangze's natural waterways. Those who are caught fishing there will be made to give 50, 000 to 50, 0000 yuan as a punishment. Besides, sand mining (采沙) is strictly limited (限制) in the river valley. Many factories used to mine sand along the river. However, this led to low water levels on the river.
　　Factories along the river need to give special attention to green development from now on Those factories that produce dangerous chemicals (化学品) have been ordered to move away:This can make a difference to the protection of the ecosystem of the Yangtze River.

27．"双减"之后, 同学们有了更多的课余时间．某校英语角就"如何让课余生活更有意义"展开了讨论, 大家各抒己见．请你根据思维导图的提示, 以"How to make our spare time more meaningful "为题, 用英语写一篇短文．

要求:
1. 应包含思维导图提示中所有要点, 可适当进行拓展;
2. 词数:80词左右;
3. 书写工整规范, 标题、开头已给出, 不计入总词数, 无需抄写在答题卡书面表达作答区域;
4. 文中不得提及真实的人名、校名等相关信息．
How to make our spare time more meaningful
　　Nowadays, we students have much more spare time than ever before, but how to make our spare time more meaningful? ________________________________________________________________________________________________________________________________________