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Phong nha cave is a world heritage site .The full name of that cave is Phong nha ke bang belong to Ke bang mountains in Quang Binh Phong Nha-Ke Bang area is noted for its cave and grotto systems as it is composed of 300 caves and grottos, of which only 20 have been surveyed by Vietnamese and British scientists; 17 of these are in located in the Phong Nha area and three in the Ke Bang area. Phong Nha holds several world cave records, as it has the longest underground river, as well as the largest caverns and passageways. The park derives it name from Phong Nha cave, the most beautiful of all, containing many fascinating rock formations, and Ke Bang forest. The plateau on which the park is situated is probably one of the finest and most distinctive examples of a complex karst landform in Southeast Asia. This national park was listed in UNESCO’s World Heritage Sites in 2003 for its geographical values as defined in its
3. Viết đoạn văn khoảng 6 câu nói về lợi ích của internet bằng tiếng anh.
Nowadays, Internet has increasingly developed and become part of our life because of some reasons. Firstly, thanks to the Internet we can get information easily. Secondly, by using the Internet we can relax after a hard- working day. We can listen to music, read newspapers, see good films or play video games, ect. Finally, it is a mean of education. We attend online schools and study online lessons. Therefore, nobody can deny the benefits of Internet in our modern life.
This morning, the weather was so cold that everyone had to wear a thick coat. It is only 16oC. I didn't prefer this kind of weather very much. But from lunch until now, the weather is sunny again. It is not only sunny but it is also very warm. It is about 23oC. I don't really like or really hate this weather but anyway, I prefer sunny weather to cold weather like this morning.
On my way to school this morning, the sky was quite cold and windy, so I have to wear a jacket to school, even it's 27o in Ho Chi Minh City! But from noontime, the sky gets hotter and more sunny, so I have to wear a hat. I don't really like this kind of weather, it makes me very headache, so I am having a flu. I prefer cooler weather like partly sunny to hot weather like this morning.
I. Nội qui tham gia "Giúp tôi giải toán"
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