Here are reports of three attacks. The three swimmers were attacked by sharks because they didn’t obey (遵守) the safety rules for swimmers.
| Rules for swimmers: A. Don’t swim at night. B. You are more likely to be attacked in warm water. C. Sharks are attacking by blood. Don’t swim with an open cut. D. It’s best to wear a swimming suit to match your skin colour. Sharks can see colours. E. If you see a shark,don’t be nervous. Try to! swim quietly, with even (平稳的) strokes(划水动作). |
Which rule didn’t each of the following swimmers obey? Report 1: Colin was swimming with two friends
very late at night. He was attacked by a shark and died.Report 2: Ann was a very good swimmer. She
bought a new bright red swimming suit. She was swimming with some friends when a shark attacked her.Report 3: Jack was on holiday in Australia. He
cut his foot on the beach. He went swimming the same day and got attacked.
How did people tell the time before clocks were invented？
At first， the ancient people looked up at the sun and could tell it was the middle of the day when the sun was directly overhead in the sky． They also knew when it was morning or evening．
Later， the Egyptians used sticks． These sticks measured （测量） time during the day．The sun shone on the tall stick and the stick made a shadow（阴影）． As the sun moved across the sky， the position（位置）of the shadow changed． This would let people tell what time it was．
Over time， the Chinese first used sundials instead of shadow sticks． The sundial has a type of shadow stick on it， As the sun shines on it， a shadow appears on the numbers．Each number stands for an hour of the day． But sundials don't work at night or on a cloudy day! There are no shadows unless the sun is out．
Water clocks used water to measure time at night． Water dripped（滴落）slowly from one bowl into another． The level of the water in the bowls showed the time．
People also used sand﹣glasses． You may have seen one． Some games still use sand﹣glasses． The sand falls from the top of the sand﹣glasses to the bottom． It measures short amounts of the time． The more sand falls， the more time has passed． When the sand has finished falling， you have to tum the sand﹣glasses over．
（1）At first． the ancient people told the time by looking at ．
A． the stick
B． the shadow
C． the sun
D． the moon
（2）Which picture can be a"sundial"？
（3）Sundials can be used to tell the time when it is ．
A． sunny
B． rainy
C． cloudy
D． snowy
（4）Which is right according to the passage？
A． Sticks measured time in Egypt day and night．
B． Sundials were first used in ancient Egypt．
C． Sand﹣glasses usually measure a long time．
D． The water clock told the time by the water level in the bowls．
（5）What's the main idea of the passage？
A． Something about sundials．
B． How to tell the time by looking at the sum．
C． How to tell the time in the past．
D． Some inventions in China．
NATIONAL GEOGRAPHIC KiDS GAMES VIDEOS ANIMALS EXPLORE Stop motion movies Stop motion is a special type of movie﹣making， It uses real objects一instead of drawings﹣ to tell a story． The story characters can be people， animals， or even everyday objects． You can make them out of clay（橡皮泥） or just use some small toys． Give it a try， and be creative! Get your parents and friends together and show your film! YOU WILL NEED *A smart phone or camera that shoots videos *A support with three legs used for the phone or camera *Your imagination and a story to tell *Characters （Use action figures （动态木偶），toys， etc， or make some with clay） *A good place to shoot a movie *Whatever else you need for your story •Make up a short story． Make sure it has a beginning， middle and end． Then write down your story． •Pick a place where you're going to shoot the movie． Make sure you'll have enough room to take pictures． •Collect or make the characters you'll need for your movie， then prepare any backdrops（背景幕布） （Even a piece of cloth will work）． •Set up your first shot（拍摄）．Put your characters and props（道具）at the right place for your first scene． Keep your "movie camera" steady（稳定 的） and in the same place． •Repeat the step above over and over and over until you complete your story． |
（1）Stop motion is a special way to make ．
A．characters
B．movies
C． props
D． backdrops
（2）When making stop motion movies． you must use to tell a story．
A． real objects
B． drawings
C． real people
D． real animals
（3）Why is "a support with three legs" needed？
A． To shoot a movie．
B． To make characters．
C． To support the backdrops．
D． To keep the phone or camera steady．
（4）This passage teaches readers ．
A． how to make a movie
B． how to tell a story
C． how to pick a place
D． how to set up your first shot
（5）This passage is from a website（网站） for ．
A． adults
B． kids
C． parents
D． teachers
Li Shijin． 30． didn't expect to make a living through his voice．
Li began to work as a company salesman in Liaoning Province in 2012． He tried to find a part﹣time job as a wedding host to improve his confidence．
Around the spring festival in 2014， he started listening to audiobooks （音频书）．After being a listener for two years． he decided to record himself reading books． Then， he posted his first audiobook Youth Will Not Return on Qingting in 2016． It was broadeast（广播） and listened to about 20 million times．
A year later， after he had read three audiobooks， he was signed up as a voice performer by Qingting． However， he was under great pressure（压力） when he was signed up by Qingting． "To improve my ability， I didn't sleep for more than five hours a day during that year． I had better results the following year．" Also， to improve his performance， Li attended a training course at Communication University of China to learn dubbing（配音） and how to write a play in 2018． So far， he has completed nearly 30 works on Qingting．
On the road to success， Li put a lot of effort． Many people tried to get a foothold（立足地） but failed，while he made it!
When talking about the secret of his success， he said， "Many people have good abilities and many work very hard， but they may fail． Early birds get worms． I believe they will get chances and succeed sooner or later if they hold on to their dreams and keep on trying．
（1）Why did Li work as a wedding host？
A． To develop his interest．
B． To make a living．
C． To make friends．
D． To improve himself．
（2）How did Li feel after being signed up by Qingting？
A． Happy．
B． Sad．
C． Worried．
D． Lucky．
（3）What can we learn from the last two paragraphs？
A． Li succeeded easily．
B． Li never failed．
C． Li succeeded through hard work．
D． Li succeeded because of good luck．
（4）Put the following into correct order according to the passage．
①Li posted his first audiobook．
②Li went to the university．
③Li started to listen to audiobook．
④Li was signed up by Qingting．
A．①②③④
B．③①④②
C．③①②④
D．④①②③
（5）Which is the best title for the passage？
A． A friend in need is a friend indeed．
B． Chances favor（偏爱）the prepared mind．
C． Two heads are better than one．
D． Time waits for no man．
Do you like playing basketball？If so， you must be very shocked and sad about the death of Kobe Bryant， a famous NBA basketball player，Kobe died in a helicopter（直升机）accident in California on January 26，2020．Just three days before the accident， he sent out Chinese New Year wishes， and encouraged Chinese fans to live（实践） their dreams and dare to win．
Bryant is a popular basketball player in China． On March 7，2019，Kobe Bryant visited a middle school in Shenzhen to meet students．At the school，he also shared his new sports novel．
Kobe was known for trying the hardest to be the best．And he called it "Mamba Spirit"． He once said， "Life is too short to get bogged down． You have to keep moving．You have to keep going．"He retired from basketball in 2016， but he still woke up before the sun rose to go training at 4:00 a．m． From middle school to college， Bryant's stories went along with so many Chinese people and fired up their love for basketball．"I grew up watching him play． Because of bin， I began playing basketball，" one of his fans said． His excellent performance， strong will and continuing training made him a superhero among Chinese fans．
（1）Who was Kobe Bryant？
（2）What happened to Kobe Bryant on January 26，2020？
（3）What tine did Kobe usually go training in the morning？
（4）What is "Mamba Spirit"？
（5）Why did Kobe say "You have to keep moving． You have to keep going．"？
Whether from news reports or social media articles， you may know that 5G is coming．
5G is the 5th generation network，It is a new network（网络）after 1G，2G，3G and 4G and it can connect everyone and everything together．5G networks will cover many cities in China soon． 5G means super﹣fast data（数据）speed．One can download a two﹣hour movie for fewer than 10 seconds， and it is making our lives more and more convenient．
5G will make self﹣driving cars possible．For safety，self﹣driving cars need super﹣fast data transmission（传输）to communicate with their nearby environment． 5G is just what makes self﹣driving cars achieve this． Even airplanes will become "smart" in the near future． Passengers will be able to use 5G networks in the air to connect to the Internet or place orders for food and drinks．
5G will be a big help for students who take online classes． Many people live in poor areas in the world where there are no schools． But with 5G， this will change． Students all over the world will be able to see places like the Great Wall without leaving their rooms．
It will be also easier for doctors to treat patients remotely by 5G． It means caring for patients from far away．
The facts listed above are only a part of what 5G will make possible and popular． Just as in the early days of the Internet in the 1990s， few could see how it could change our life and the world． The same will surely be true of 5G． With 5G， many things do not seem like dreams anymore． Now let's get ready to say goodbye to 4G and welcome the coming of 5G．
（1）How long may it take to download a two﹣hour movie with 5G？
A．15 seconds．
B．8 seconds．
C．10 minutes．
D．2 hours．
（2）The underlined word "remotely" means in Chinese．
A．快速地
B．高效地
C．远程地
D．科学地
（3）From the last paragraph， we can know that ．
A． 4G is no more used in our daily life now
B． the writer is worried about the coming of 5G
C． with 5G， some of our dreams will come true for sure one day
D． in the 1990s， all the people believed that the Internet would change our life
（4）5G will make the following things more and more popular EXCEPT ．
A． self﹣driving cars
B．"smart" airplanes
C． online classes
D． hospitals without doctors
（5）About 5G， is NOT mentioned in the passage．
A． to be used freely
B． super﹣fast data speed
C． to connect everyone and everything together
D． to make life more convenient than 4G
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