Protecting (保护) wild animals is our duty. Because wild animals are important to us. They live with us on the earth together. If there are no animals on the earth, we will not live on, 1. So we should 2 them to help us live a healthy life.

    3 some people still don't realize the importance(重要性) of protecting wild animals. They often 4 wild animals for food or for money. Every day there are many wild animals being killed. So lots of wild animals are 5. We can't see them any more. Today the number of wild animals 6 becoming smaller and smaller. If we don't protect them, they will all die out. If this goes on, there will be no animals  7 on the earth.

     8, more and more people began to do many things to help protect wild animals. They ask people 9 wild animals. They get people to know that protecting wild animals is one of the most important things. Now many 10  have made some laws to protect wild animals. Now that (既然) wild animals are so important to man, we should do our best to protect them.

    The world 1 many interesting sounds. Some are unpleasant to our ears while 2 are very pleasant to hear. In single day you probably hear 3 sounds. All sounds are different. Some 4 loud, some sounds are high, others are low, some sounds are useful.

    5 sound we can't talk or listen to each other. The ringing of the alarm clock wakes people up. The hooting（鸣笛声）of a car warns people of danger.

    Some sounds are harmful. When planes fly low 6 the land; the very loud sounds can damage the house. Very loud sound can even make people deaf.

    We know sound travels about one kilometer in three 7. In a thunder（雷）storm you see the lighting first and then hear the thunder. This is because light travels 8 than sound.

    Next time you see lighting count the number of seconds before you hear the thunder.

    Divide（分成）this number 9 3. This will tell you 10 kilometers away the thunder storm is.

     Some inventions are very important. For example, the telephone allows people to communicate all over the world. The 1 lets people travel long distances in a short time. Life is much easier with these 2inventions.

     Some inventions are just fun. A company in Japan has invented3 flowers. You can listen to music that comes through real flowers. Customers in restaurants can smell the beautiful roses 4listen to pleasant music while eating. People in the dentist's office can look at pretty lilies and listen to Mozart while having their 5examined!

     There is now a vehicle that gets you around with almost no effort 6. In fact, you drive this invention while standing on it ! This vehicle runs by electricity. It 7 quite easily. When you lean forward, it moves forward, and when you lean 8, it moves backward!

     A new kind of bubble(气泡) liquid（液）has been invented. If you blow bubbles 9 this liquid, they can last for several minutes! 10 are very strong. You can even pick them up and throw them around!

     Do you have your own ideas about inventions now?

Mobike—it's a bike showing network where users search for a ride through an App. Mobike 1in shanghai at the end of last year.2 December 2016, Shanghai became 3 bike- share city in the world. And then Mobike recently expanded to Beijing, Guangzhou and Shenzhen. They are becoming 4 popular, especially among white -collar workers during rush hours. For that reason, a large number of bikes5in the streets. The bike ride's record has reached about twenty6on a single day .

    Mobike is7convenient that the users can find and leave bikes wherever they'd like. The users8 have the company's mobile's APP just need to use their phones 9 the QR code (二维码) on the bike, and then unlock the bike to begin the timer on the Uber-esque .Besides Mobike doesn't use a parking station in the street.Instead, users can10bikes anywhere with the app-controlled smart lock.11 it also means that users sometimes leave them in a bad place where it's hard for12users to find them. To deal with this problem, the founder of Mobike and her team 13on a points-based system to punish unruly rides.

    Sharing  bikes is made to reduce the pressure of traffic.14 it can run well, and the price is kept low, it may be a great15 to protect the environment .

    Electricity is very useful in our daily lives. It is said to be one of the greatest1 in human history. It lights our world, 2 our homes, cooks our food and gives us lots of happiness. Electricity brings brightness. Today, almost everyone around the world uses electricity in one way or another. It is 3 to imagine our life without it. When the power is off, schools, offices, shops and factories cannot 4 at all. Without electricity, our5 would be very difficult. In large cities, electricity lights the streets and buildings. It warms people and 6. People can heat food in microwaves. Electricity also cools our food in7. Electricity drives underground trains, works traffic lights and lifts the machines in factories. Radios, televisions and computers use electricity to bring entertainment（娱乐）and news to millions of 8 every day. In the countryside, electricity also helps a lot. In villages and on farms, electrical machines milk the cows. They also cool the milk and keep it 9for us to drink. In fact, electricity is used as much in villages as it is used in 10.

    My name is Miranda Gibson. I have been at the top of a tree for five months now. Some people might wonder 1 on earth I would choose to do that.

    I have walked 2 this forest many times. On 12 December 2016, machinery (大型机械) rolled into the forest and the destruction (摧毁) began. I couldn't bear (忍受) the thought that these forests would be 3 forever. So, on 14 December 2016, I put my clothes into a bag, 4 my job plans, and climbed 60 meters to the top of this tree. I have been there ever since.

    Life in the tree tops can be challenging. I have times when I feel frustrated (沮丧的) and I wish I could 5 to have a holiday for a few days! There are times too, when I feel terribly 6. I miss my friends and family.

    Living on the tree has been exciting and encouraging. I am willing to 7 up here for a long time, 8 I honestly hope it won't be too 9 before I can put my feet on the ground below and stand in a forest that will never 10.