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Bạn vẽ đồ thị ra nhé rồi vẽ điểm H (2;5) rồi vẽ điểm K đối xứng với H qua tâm O thì K có tọa độ (-2;-5) -2 ứng với a còn -5 ứng với b
=> a+b=-2+(-5)=-7
Bài 1: Read. Then answer the questions below.(2p)
The ancient town of Hoi An lies on the Thu Non river, 30 km south of Da Hang. It was formerly a major trading center in Southeast Asia between the 16th and 17th centuries. Hoi an is famous for it’s old temples, pagodas, small tile – roofed houses and narrow streets. All the houses were made of wood and their pillar we’re carved with ornamental design.
All visitors to Hoi an are commended a visit to the Assembly Hall of Cantonese Chinese Congregation. This house was built in 1855 and still keeps many precious objects that belonged to the Chinese community of Hoi an. Another attractive address to tourists is Tan Ky house, which was conducted nearly two centuries ago as house of a Vietnamese merchant. The house now looks almost exactly as it did in the early 19th century
In recent years, Hoi An has become a popular tourists destination in Vietnam. In 1999, it was certified by UNESCO as a World Culture Heritage Site.
1. Where is the ancient town of Hoi An situated ?
->The ancient town of Hoi An lies on the Thu Non river, 30 km south of Da Hang.
2. What is Hoi An famous for?
->Hoi an is famous for it’s old temples, pagodas, small tile – roofed houses and narrow streets.
3. When was the Assembly Hall of Cantonese Chinese Congregation built ?
->This house was built in 1855 and still keeps many precious objects that belonged to the Chinese community of Hoi an.
4. The word ” famous” can be refered by _______
A. beautiful B. well-known C. unknown D. wonderful
5. Hoi An was declared by UNESCO as a World Cultural Heritage Site in the ____
the century.
A.18 B.19 C.20 D. 21
The cooperation of the people in our community with the government is very necessary.
cooperation