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scientific interest are kept and exhibited to the public
A. theatre B. a park C. a library D. a museum
2. Which day is Vietnamese Teacher’s Day?
A. October 20 B. November 20 C. December 22 D. December 24
3. English physicist Sir Tim Berners-Lee is regarded as having invented the World Wide Web in 1989. Since then, he has continued working on the ……… of web standards and other web related projects
A. developed B. develops C. development D. developing
4. Find the mistake in the following sentence: “A bee’s wings beats 190 times a second, that’s 11,400 times a minute”
A. beats => beat B. times C. that’s D. a

21. the/ Chinese/ were/ famous/ their/ and technology/ ancient/ for/ inventions.
=> The ancient Chinese were famous for their inventions and technology.
22. many/ inventions/ had/ impacts/ on/ world/ the/ of/ their/ lasting/ entire
=> Many of their inventions had lasting impacts on the entire world.
23. paper/ was/ by/ as well as/ many/ uses for/ paper/ like/ and/ playing/ cards/ invented/ the Chinese/ interesting/ paper money.
=> Paper was invented by the Chinese as well as many interesting uses for paper like paper money and playing cards.
24. The Chinese/ the magnetic compass/ to/ the direction/ determine/ invented/ help/ correct
=> The Chinese invented the magnetic compass to help determine the correct direction.
21. The Ancient Chinese were famous for their technology and inventions.
22. Their inventions had many lasting impacts on the entire world.
23. Paper was invented by the Chinese as well as many interesting uses for paper like paper money and playing cards.
24. The Chinese invented the magnetic compass to help determine the correct direction.

Diện tích khu vườn là: \(\frac{\left(80+120\right)x60}{2}=6000\left(m^2\right)\)
Diện tích trồng rau là: \(6000:100x60=3600\left(m^2\right)\)
Diện tích trồng trái cây là: \(6000-3600=2400\left(m^2\right)\)
Đáp số: 2400 m2

Choose the correct word in the box and write them on the lines. You do not need to use all the words.
There is one example: blanket ,experienced ,compete ,assistant ,festival, follow
Example: You use this to cover your body when you sleeping in cold weather: blanket
No. Meaning Word
1 having a lot of knowledge and skills: experienced
2 join a game: compete
3 come or go after or behind somebody/something: follow
4 a person who helps or supports somebody: assistant
5 a day or period of the year when people stop working to celebrate a special event: festival
B, C
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