If you look at the top of your phone， you' ll usually see a little symbol that says 3G or 4G The "G" stands for the " generation"（代） of your mobile network． But the symbols will become things of the past after 5G networks fully arrive．
On March 30， Shanghai vice﹣mayor Wu Qing made the first 5G video call on a Huawei Mate X Smartphone．Shanghai has also become the first city in China to start testing 5G networks．
About 100 times faster than 4G networks， 5G will let people download and upload data（数据） faster than ever before． But 5G won't just bring faster mobile internet． People can use it for many other things well．
For example， 5G will help to make self﹣driving cars safer． Today's self﹣driving test cars have one problem﹣﹣lag（延迟）． When the car " sees " an obstacle（障碍物）， it sends this information to a data center and receives instructions． However， it will be some time before it sends and receives this information． With this kind of lag， the cars might crash because they don't receive instructions in time．With 5G， this lag will be greatly lowered， making the cars safer．
5G could also be used to power the internet of things（IoT）， that is， a large online network that connects all things and people． Fast internet speeds will be the key to developing this technology．The IoT could be used in a lot of ways． For example， with IoT， your refrigerator could automatically （自动地 ） place an order online for eggs when it finds that there are no eggs left inside．
（1）Which city was 5G tested for the first time？
| A． |
Beijing． |
| B． |
Shanghai． |
| C． |
Shenzhen． |
（2）What can we infer（推测） according to the passage？
| A． |
5G is widely used in China now． |
| B． |
5G networks will make our lives more convenient． |
| C． |
There are no symbols at the top of our phones． |
（3）The writer uses self﹣driving cars as an example to ．
| A． |
explain how 5G's fast speed can be helpful |
| B． |
warn about the possible dangers of self﹣driving cars |
| C． |
explain how self﹣driving cars work |
（4）What is IoT according to the passage？
| A． |
A robot that can do housework． |
| B． |
An online store where you can buy anything． |
| C． |
A large online network that connects things and people． |
（5）Which sentence is right according to the passage？
| A． |
5G will help us buy eggs quickly． |
| B． |
Robots can help us buy eggs online． |
| C． |
Our refrigerator can order eggs online for us． |
What should you take in with you when you take an exam? Pen, pencil, eraser, ruler…, and don’t forget a bottle of water!
According to a study at the British Psychological ( 心理学的) Society Annual Conference held in London, students who bring water into exams may improve their grades by up to 10 percent.
Scientists at the University of East London and the University of Westminster, UK, did a study on 447 students. The students were studying for different degrees (学历) at the University of East London. Only 25 percent of them entered the exam hall with something to drink.
Scientists then compared their exam results with their normal schoolwork grades. They found that all those who had brought drinks with them got better grades by between 2 and 10 percent.
It is unclear why drinking water improves exam results. But scientists say having enough water in our bodies and not feeling thirsty could have a helpful effect on our brains. Drinking water may also cut down on anxiety ( 焦虑), which has a bad effect on exam performances, according to Chris Pawson, PhD, of the University of East London.
“Whatever the explanation, it is clear that students should try hard to stay hydrated (含水的)with water during exams,” he said.
So next time, when you are going to have a big exam, try bringing a bottle of water with you.Who knows – it may help you pass the exam!How much may the students improve their grades most if they bring water into exams?
| A．By 2%. | B．By 8%. | C．By 10%. | D．By 25%. |
How many students in the study got better grades?
| A．About 112 students who brought drinks or water into their exams. |
| B．All the 447 students who come from the University of East London. |
| C．About 300 students who took part in the study. |
| D．About 10 percent of the students who studied different subjects. |
The underlined phrase “cut down on” probably means _______.
| A．increase | B．bring | C．reduce | D．change |
According to the passage, how does water help students in exams?
a. It is good for their brains.
b. It makes students smarter.
c. It helps students stay cool.
d. It helps students stay awake.
| A．a b | B．a c | C．b c | D．c d |
As a child, I was really afraid of the dark and of getting lost. These fears were very real and caused me some uncomfortable moments.
Maybe it was the strange way things looked and sounded in my own room at night that scared me so much. There was never complete darkness, but always a streetlight or passing car lights, which made clothes on the back of a chair take on the shape of a wild animal. Out of the corner of my eye, I saw the curtains(窗帘) seem to move when there was no wind. A very low sound in the floor would seem a hundred times louder than in the day. My imagination (想象) would run wild, and my heart would beat fast. I would lie very still so that the "enemy(敌人) " would not discover me.
Another of my childhood fears was that I would get lost, especially on the way home from school. Every morning I got on the school bus right near my home. That was no problem. After school, though, when all the buses were lined up along the street, I was afraid that I would get in the wrong one and be taken to some other strange places. On school or family trips to a park or a museum, I wouldn't let the leaders out of my sight.
Perhaps one of the worst fears of all I had as a child was that of not being liked or accepted by others. Being popular was so important to me then, and the fear of not being liked was a serious one.
One of the processes(过程) growing up is being able to realize and overcome our fears. Understanding the things that scared us as children helps us achieve greater success later in life._________ would scare the author at night.
| A．Streetlight and car lights | B．Wild animals and enemies |
| C．Moving curtains and wind | D．Strange sights and sounds |
When she went to some other places, she would _________.
| A．walk away without others |
| B．take a bus by herself |
| C．follow others closely |
| D．make sure not to take a wrong bus |
Which of the following would be possibly true when she was a child?
| A．She was usually popular among people. |
| B．She was always the leader of the others. |
| C．She always got poor grades. |
| D．She was not at all liked by others. |
On the first day of school our teacher introduced himself and challenged us to get to know someone we didn’t already know. I stood up to look around when a gentle hand touched my shoulder. I turned around to find a little old lady with a warm smile. She said, “Hi, handsome. My name is Rose. I’m eighty-seven years old.”
“Why are you in university at such a YOUNG age?” I asked. She replied, “I’m here to meet a rich husband, get married, have a couple of kids, and then retire and travel.” I knew she was joking. I was curious (好奇) what might have encouraged her to be taking on this challenge at her age. “I always dreamed of having a university education and now I’m getting one!” she told me. We became friends. Every day we would talk nonstop after class. I always enjoyed listening to this “time machine” as she shared her wisdom (智慧) and experience with me. And Rose easily made friends wherever she went.
At the end of the term we invited Rose to make a little speech. She cleared her throat and began, “We do not stop playing because we are old； we grow old because we stop playing. I’ve learned a few secrets to staying young, being happy, and achieving success. You have to laugh and find humor every day. You’ve got to have a dream. When you lose your dreams, you die.”
“There is a huge difference between growing older and growing up. Anybody can grow older. That doesn’t take any talent or ability. The idea is to grow up by always finding the opportunity in change...”When the author and Rose first met, they began their conversation in a ________ way.
| A．terrible | B．impolite | C．serious | D．humorous |
The word“That”in Paragraph 4 refers to (指)________.
| A．growing older | B．growing up |
| C．staying young | D．being happy |
From this passage we know Rose believed ________
| A．“Easier said than done.” |
| B．“Well begun is half done.” |
| C．“It is never too late to learn.” |
| D．“Reading makes a full man.” |
阅读理解 阅读下面的短文，然后根据短文内容，在每小题所给的四个选项中选出最佳选项，并在答题卡上将该项涂黑。
A
This isn’t an education children’s picture book with plenty of facts to expand（扩展）young minds. Sara Myers simply explains all about dogs with easy words or phrases. Children will learn about ：
★What dogs are
★Where they can be found
★What they eat
★And much more !
The fantastic photos are sure fire your chid’s imagination ,and keep them interested all the way through.
Publication（出版） Date ：September 3,2013 Publisher： Hazed Published Language：English
You can most probably find the material above ________.
| A．in a novel | B．on a website |
| C．in a news report | D．in a TV program |
Sara Myers is _______.
| A．the mother of a child | B．the name of a writer |
| C．the owner of a pet store | D．the name of a publisher |
According to the material, the book may be chosen for the reasons EXCEPT
| A．easy English | B．fantastic photos |
| C．plenty of facts | D．lots of pages |
Nowadays film cameras are going out of our life. Do you remember how it works? And do you know the difference between a film camera and a digital camera?
A film camera is a light-proof box, which all light can’t go through. It has a lens (镜头) system to focus light onto the film at the back of the camera.
Let’s suppose that we are outside on a beautiful summer day trying to take a picture of the family dog. We are using a film camera. We finally get the dog to lie still. You point the camera at him. Light goes into the camera lens and hits the shutter (快门). In other words, nothing happens yet. Now let’s say that the dog looks really cute and you decide to take a picture. When you press the button, the shutter opens for a very short period of time. A small amount of light passes through and hits the film at the back of the camera. This creates an upside-down and reversed (反向的) picture on the film. When you finish the roll (卷) of the film, you can take it to the photo shop to develop it and you will have a great picture!
Film cameras and digital cameras work in a similar way. In digital cameras, the light falls not on film but onto a sensor (传感器) called a CCD. This change light and color into a digital information or pixels (象素). The CCD is the heart of any digital camera and usually the most expensive part - depending on how good it is.
根据短文所提供的信息选择最佳答案
The underlined word “light-proof” in the passage means “_____”.
A.不透明的 B.不透风的 C.不透光的
_____ is used to focus light onto the film at the back of the camera.
A. A lens
B. A lens system
C. A light-proof system
_____ shows the picture of a running boy with an ice cream in his left hand on the film camera.
Which of the following is TRUE according to the passage?
A. Film cameras and digital cameras work in the same way.
B. After taking pictures with film cameras, we can get a great picture immediately.
C. The price of a digital camera is based on the ccd。
The best title for this passage should be _____.
A. How do Film Cameras Work
B. The Reason Why Digital Cameras Are More Developed
C. Film Cameras and Digital Cameras
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