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The compass(指南针)is one of the Four Great inventions of Ancient China. Before the compass was invented, people depended on the position of the sun and stars to tell them the direction when at sea, which only worked when it wasn’t cloudy. As early as the Warring States Period. Chinese people discovered that a magnet could show the south and the north, and, on the basis of this feature, they made a southward-pointing instrument that was the model of the compass. The instrument was made up of a smooth magnetic spoon and a copper(铜)plate carved with directions;the handle of the spoon pointed south. In the Song dynasty, people combined an artificially(人造地)magnetized compass with an azimuth(方位)plate to create proper compass.

In the Northern Song dynasty, the compass was being used for sailing. In the Southern Song dynasty, its use spread to Arabia and Europe, and Arabs called it “the Eye of Sailors”. The invention of the compass had great influence on sailing, opening up a new chapter(篇章)in the history of the world sailing. Thus, Zheng He made seven ocean journeys across seas to Southeast Asia and around Indian Ocean in the early Ming dynasty, Christopher Columbus discovered the New World, and Ferdinand Magellan sailed round the world.

【小题1】As early as the Warring States Period, Chinese people discovered that a magnet could show _______.
A.the east and the westB.the east and the north
C.the south and the northD.the south and the west
【小题2】In the _______ dynasty, people combined an artificially magnetized compass with an azimuth plate to create a proper compass.
A.SongB.TangC.MingD.Qing
【小题3】Which of the following is NOT true?
A.The compass is one of the Four Great Inventions of Ancient China.
B.The compass was being used for sailing in the Northern Song dynasty.
C.The compass’ use spread to Arabia and Africa in the Southern Song dynasty.
D.The invention of the compass has great influence on human beings.
【小题4】What is the best title of this passage?
A.How to tell directionsB.A useful invention — the compass
C.Going sailing is interestingD.A great people in the world
22-23八年级下·全国·单元测试
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You don’t have much time for your diary (日记), but you really want to remember your best or worst times in life. Nine Square Diary is coming to help. This new kind of diary has nine squares. They show nine different areas in life, such as plans, feelings and health. Writing this diary is very simple and you can finish it in only a few minutes. That is why it is so popular now.

Here is a page of Nine Square Diary from Sun Ning, a middle school student.

Happy things

Went to my friend’s birthday party. Enjoyed myself.

Helping others

Helped my cousin get ready for the singing competition.

Plan

To draw a picture for the school art festival of next term.

Improvement

Went to the market with Mom and learned to pick tomatoes.

July 31, 2020 Friday Cloudy

Feeling

Mom and dad told me about their jobs. Glad they don’t see me as a little child any more.

News

China finished building BDS (北斗卫星导航系统).

Health

Felt a little tired because of too much summer holiday homework.

Dream

To have a meeting with our headteacher to discuss (讨论) if we should rule our school by ourselves.

【小题1】Nine Square Diary is popular because ________.
A.it looks clear and interestingB.it can tell something different
C.it shows new areas in lifeD.it can take you less time
【小题2】On Friday Sun Ning ________.
A.finished a report about BDS
B.helped her cousin with a competition
C.drew a picture for the school art festival
D.discussed with her headteacher about the school
【小题3】Sun Ning felt good because ________.
A.she learned to pick tomatoes
B.she did homework with her cousin
C.her parents don’t see her as a little child any more
D.she enjoyed herself at her cousin’s birthday party

Great Young Inventors

Eliott Sarrey is from France. He invented Bot2 Karot, a gardening robot that can take care of a small vegetable garden. The robot is controlled by an app on a smartphone. It helps people grow and take care of vegetables. It also saves water, and it makes gardening easy for people who are very busy.

Brooke Martin is an animal lover. She missed her dog when she wasn’t at home. So Brooke invented iCPooch when she was just 12 years old. The iCPooch lets pet owners check on their pets by using a computer or a smartphone. This wonderful invention also allows owners to use their smartphone cameras to have a video chat (聊天) with their pets.

Young inventor Robert Saunt was tired of buying or borrowing different video game controllers (控制器) for each game console (游戏机), so he invented a controller called Game Blox. It can be used for four of the most popular game consoles. His invention saves players a lot of money and space.


【小题1】Bot2 Karot is a robot that can help people ________.
A.look after their petsB.chat with their friends
C.grow and take care of vegetablesD.play video games
【小题2】Pet owners can use ________ to check on their pets.
A.a cameraB.a televisionC.a fridgeD.a computer
【小题3】What do we know about Robert Saunt?
A.His invention helped people save lots of money and space.
B.He is just 12 years old.
C.He invented Bot2 Karot.
D.He has a pet dog.
【小题4】________ may like Robert Saunt’s invention.
A.A computer engineerB.A big fan of video gamesC.A pet keeperD.A sports lover
【小题5】Where can you read this passage?
A.In a diary.B.In a poem.C.In a newspaper.D.In a dictionary.

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