【推荐1】Enjoy that cup of coffee while you can. Some British scientists recently did some _______ on coffee. They found more than half of all coffee species (物种) in the wild could soon disappear on the earth. So coffee is _______.

By 2050, the scientists say, only half of the coffee farmland will be left. Wild coffee will _______ by 2080. Some of the most popular kinds of coffee are in danger, too. Arabica, for example, could disappear in 60 years.

That’s _______ news for coffee farmers. There are more than 120 million coffee farmers around the world. Many of them live in the world’s poorest countries. They depend on coffee for _______. Coffee lovers will also see changes. Their favorite drink will become more and more _______.

So why is coffee in danger? Scientists say the _______ include climate (气候) change and tree-cutting. Coffee needs a forest to _______. However, too much tree-cutting is now happening around the world. Rising temperatures and increased rainfall are making coffee _______ to grow. And illnesses that influence coffee plants are spreading faster because of climate change.

Maybe all of us should think about the influences of climate change on coffee production. ________, climate change is no longer about the future. It’s about the present.

【推荐2】Once upon a time, a young boy needed a pair of new shoes. He had to go to the market to exchange the shoes. His mother went to the barn to get one large cow first. Then she got two hens. Next, she put some _____ into a bag.

The trip was not easy. The cow walked very slowly, and it _____ stopping to eat grass. The boy had to pull the cow’s rope to make it move. However, it got darker and started to rain. The salt _____ started to melt(融化) because of the heavy rain.

“I _____ the shoemaker will trade these things for shoes,” Mom said. “I wish there is a better way to get what we need,” the boy said.

Long ago, people traded for getting what they needed. People traded cows, chickens, salt, _____ other things were also used in trading.

Trading was useful for people, but it did have _____ and it was not always easy. Some people would just _____ because of these problems. Cows were too big and _____, so they were hard to carry. Also, trading things could be messy. Usually many people didn’t want a melted bag of salt. And other small things could also be _____ to count.

People needed something easy to carry and use. It had to be fair, which meant it had to have the same value for all people. That value had to be clear, so money was ______ later. This is where money comes from.

People used to pick fruit from the trees to live on. However, ________ the population rose, there was not enough food for everyone. People didn’t know what to do.

Fuxi, a leader of his people, was hard-working and ________ . He tried to think of ways to solve the problem. He noticed there were fish in the sea, which might be good for people to eat. But it was ________ to catch them with hands. One day, Fuxi got a new idea from a spider web. He used vines(藤) and made them into a ________ .

When Fuxi led his people to the seaside, they saw a turtle. It was ________ by the Dragon King, the god of rain. The turtle told them that the Dragon King didn’t allow them to catch the fish with their hands. Fuxi ________ and brought out his net. He taught people to throw the net in the sea. They got a lot of fish ________ . People were very happy.

That was all ________ Fuxi. Fishing helped them stop ________ . Chinese people are good at learning from ________ .

【推荐2】Rajesh Rao works in the University of Washington. He believes that the best kind of _________ is one who can read your thoughts. He also _________ that in the future people can ask robots to do work not by words _________ their thoughts.

Now the robot can _________ people do many things, such as babysitting the little kids, watering the flowers, sweeping the floor and so on. Dr. Rao’s team began to _________a robot that can do such simple things. The users can wear an EEC(脑电图) _________. With the help of the hat, they can make the robot do many things. Some people think in this way the robot can _________ a part of people.

Rajesh Rao said, “The lower level circuit (低级电路) takes care of simple behavior such as walking while the _________ level circuit takes care of other behavior.” Maybe these things are _________ hard for us to understand, but the results will be ____________ to us all. We can let the robot do things without words one day!

【推荐3】After I had surgery (手术), the doctor said I needed to stay at home for at least a week. With exams coming up, I worried about missing the class. My family thought for a _______: I would go to school as a robot.

The company my mom works for _______ me with a five-foot-tall robot on wheels. Using it was _______. I quickly learned how to move it forward and back and turn it. I soon forgot I was controlling a machine from home.

It _______ everyone else a little longer to get used to the new me. A screen showed my face at its actual size. The _______ allowed me to feel in class and others to see me.

For a few days, I was the most _______ object in the school. Everyone crowded around me. But once they didn’t feel excited. I was just another _______. I ate lunch with everyone else, attended class, and went to the rehearsal (排练) for my school _______. I felt as if I were actually in school. I was only reminded of my difficulties as a robot when my teachers _______ papers.

Life as a robot was an enjoyable ________. Technology can be a great help to people. If you are in need, I hope you can have a robot helper.