【推荐2】阅读下面的短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。

Hitchbot

Have you ever seen a hitchhiker(搭便车的旅行者）standing by the side of a road? Now drivers in Canada might see     1     unusual hitchhiker: a hitchhiking robot.

One of its inventors, David Harris Smith, has hitched across Canada three times. Smith and a friend, Frauke Zeller, have built Hitchbot because they wanted     2     (see) if people would stop and give the robot a lift and talk to it. The robot can chat about things it has learned, and about     3     (it) trip. You might think it’s a joke,     4     that’s the serious point of Smith and Zeller’s experiment: can robots and people get along? Hitchbot     5     (begin) its journey in Nova Scotia in July. It has already completed one third of its 6,000-mile trip to Victoria. More than 57,000 people are following its journey     6     (close) on Facebook and Twitter, and travelers have posted lots of     7     (photo) on the websites. Hitchbot has also done some shopping, eaten motor oil, and had fun with travelers. Nobody knows     8     it will finish its journey. It might be     9     (long) than expected, but Zeller and Smith want Hitch to get     10     many rides as it can. It hasn’t been in a self-driving car yet, but anything is possible!

【推荐3】A robot has started serving customers at a high-tech highway restaurant in Chongqing. After greeting customers at the gate, the robot     1     (name) Amy brings meals to customers. But     2     can a robot avoid walking into customers and the restaurant's human staff while walking? In fact, Amy has     3     in-built navigation system (导航系统) that allows it to choose a proper way to reach a customer's table without any problem. Orders     4     (place) at two tables that double as big touch screens and customers can order food there or simply on their own phones     5     scanning QR code(二维码). After they have ordered their food, diners can pay using a mobile payment app     6     as Alipay or WeChat Pay.
While waiting for the orders, customers can use the special tables to play games, read some     7    (news), and check the traffic and weather conditions for their journey ahead.     
The robot catches everybody’s eyes with     8     (it) human-like appearance. It is really welcomed by customers and the restaurant     9     it not only cuts down much of business cost for the restaurant, but makes diners wait a much     10     (short) time. So the local government is trying to put them into use in the city's other service stations.

【推荐1】Soon computers and other machines will be able to remember you by looking at your eyes. The programme works because everyone’s eyes are     1    . So in the future you won’t have to remember a group of numbers when you want to use a machine or take money out of a bank. You’ll just have to look at the machine and it will be able to tell you who you are.

The eye-recognition(眼睛识别) programme has already been tested in shops and banks in the USA, Britain, Spain, Italy and Turkey. Soon it will take the place of all other ways of     2     out who people are. However, scientists are working on other systems. Machines will soon be able to know you from the shape of your face or hand or     3     your smell. We already have machines that can tell who you are from your voice or the mark made by your finger.

Eye-recognition is better than other kinds because your eyes don’t change as you get older, and don’t get     4    like hands or fingers. And twins’ eyes are not the same. So the eye-recognition programme can be up to 94 percent correct. In Britain, it was found that 91 percent of the people who had     5     it said that they liked the idea of eye-recognition.

In the future your computer will be looking you in the eyes. So smile!

【推荐2】根据下面短文内容，在短文的空格处填上一个恰当的词，使短文完整、通顺。

Do you still remember the lecture from China’s Tiangong space station last year? On March 23,     1     called Zhai Zhigang, Wang Yaping and Ye Guangfu gave another one! It was livestreamed worldwide. What fun experiments did they do this time?

Hot “ice”

Last time, the astronauts made a water ball in space. This time, they     2     a water ball into an “ice” ball! Well, it’s not actually ice. It’s supersaturated sodium acetate solution (过饱和乙酸钠溶液).

The supersaturated solution is very unstable (不稳定的). The astronauts dropped a small crystal (晶体) of sodium acetate into the ball-shaped solution. Suddenly, more sodium acetate crystals grew, making a white ball of “ice”. however, This “ice” is anything but cold. The process actually gives off heat!

A bridge of water

How do you build a “bridge” with water? It’s hard to do it on the earth. But in the space station, with little gravity (重力), it’s quite easy!

In the lecture,     3     Wang Yaping made two water balls on two plates, then let them touch each other. Next, Wang pulled the two plates apart, and the water between them     4     break. It became a “bridge”! This is     5     the surface tension of water is not disturbed (干扰) by gravity in space. The surface tension(表面张力) keeps the “skin” of the water strong     6     that the bridge doesn’t break.

Separate water and oil

If we mix oil and water in a bottle on the earth, they will quickly separate (分离) because they have different densities (密度). Gravity brings the water down while the oil stays on top. However, if you do this in the space station,     7     gravity, the oil and water will blend together.

How can we separate them, then? In the lecture, Ye Guangfu rotated (旋转) the bottle to create centrifugal force (离心力). With this man-made gravity, the     8     water is pushed to the furthest point, which brings the lighter oil closer to the center.

【推荐3】阅读下面的短文，在空白处填入一个适当的单词或括号内所给单词的正确形式。

As Earth’s neighbor, Mars has a similar environment to Earth. For years, scientists try their best to study the Mars and hope to live     1     it one day. So China has named the nation’s first Mars rover(火星车) Zhu Rong and sent it on Mars     2     (successful) in May 2021. For all of us, Zhu Rong is a well-suited name.

In an ancient Chinese story, Zhu Rong had the face of a man and the body of an animal. He     3     (ride) on two dragons. When he had a big fight with Gong Gong, the God of water, Zhu Rong won. But after     4     fight, the human world came into complete darkness. Then he brought fire from heaven(天国) to the world.

“Zhu Rong is regarded as the     5     (early) God of fire in traditional Chinese culture.” A space official said. “The name Zhu Rong has an     6     (usual) meaning. It stands for light and hope for space exploration(探索) in our country. It also means to guide     7     (human) to continue exploration.”

    8     leaving the earth last summer, Zhu Rong circled Mars for several months and landed on it in May. In recent years, Our country has sent up the     9     (world) first quanturm satellite(量子卫星). And Chang’e 4 has made a soft landing on the moon. So far, we     10     (make) great progress in space technology and will soon start building our own space station.

【推荐3】阅读下面短文，根据中文，首字母，音标 或语境的提示，在每个空格内填入适当的单词或短语，使其内容通顺，意思完整。

Most of us think the telephone was invented by Alexander Graham Bell. However, he wasn’t the first person to think of the idea.     1     fact, an Italian named Antonio Meucci was officially recognized(认定) as the inventor a few years ago.

Antonio Meucci was b    2     in Italy in 1808. He studied engineering     3     drawing. During his studies. Meucci started to experiment with electricity. He discovered that sound could     4    [ trævl] through metal cables.

When two places were     5    (与.....连接) wire，people in those places could hear each other talk.

In 1850，Meucci and his wife, Ester, moved to New York. Meucci     6     (担心) his wife, because she had become very ill. He needed to k    7     in touch with her at all times. To s    8     this problem，he connected metal cables     9     his home and his workshop. This way，they could     10     (与.....谈话) each other conveniently.

Meucci invited a group of people to see his new i    11    . They listened in amazement as the voice of a singer was heard through the wires.

Unfortunately, only a few people attended this talk. Even worse, Meucci never applied for a patent(专利) on his invention. Meanwhile, Alexander Grabam Bell was w    12     on the same idea and in 1876 the patent for the telephone was given to him.

In 2002,     13    (多于) a century after Meucci's death，his work was finally recognized     14     the government. He will now be known     15    (全世界) as the telephone’s inventor.

【推荐1】In most cases, drivers lose their driving licenses because they drink and drive. I have always promised     1    （I） that I will never drive if I have drunk alcohol.

Still, half a year ago, I made a terrible mistake and     2    （drive）after having drunk two beers at my     3    （friend）while watching a football match. I then drove my car to take another friend to his place. I thought there would be no problem     4    it was night and there would be no policemen     5    my way. But to my surprise, a policeman     6    （stop）me. I was not allowed to drive for three months and I also had to pay a fine. I told my parents nothing at the     7    （begin）, but then I had to invent     8    lie because I did not have the courage to tell them that I had driven     9    drinking and that was the real reason why my driving license was     10    （take） away.

Those three months seemed to pass very slowly for me because I was used to driving almost     11    （day） and I really needed my car quite often. I had to take a taxi and it     12    （cost） me a lot of money. Then there were times when I had to ask a friend to take me to some place or another, especially if I wanted to go out of town. It was indeed a     13    （punish） for me not to have my driving license and I promised not to repeat this mistake again.

Apart from this, being drunk while driving     14    （represent） a real danger not only for the driver, but also for people in the car and for people on the street or in other cars.       15    , I advise people to avoid drinking alcohol before driving.

【推荐3】I’m from China, but I am in America on business now. I know l    1     about English.

So I come to a language school to l    2     English everyday except Sunday.

Today I ask Alice , one of my c    3    , a question that I don’t understand at all. When I thank her f    4     it, she says, “You are welcome, it is a piece of c    5    . ” I say to myself, “America is r    6     a country for money because people do everything for pay.” S    7    I say to her,“ I haven’t taken any piece of cake with me today, what about something e    8     ?” She looks at me with a big surprise (诧异) on her f    9    , saying,“What I   mean is ‘no problem’, and it is only a small matter.”

I come to know that “ a piece of cake ” is not only a piece of cake but also means a thing that is very e    10     to do. What an interesting thing , don’t you think so?