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III. Complete the sentences with the words from the box. 1. Over the last 2 decades, Vietnam has experienced a rapid construction . 2. include a large indoor pool, jacuzzi and sauna. 3. A family is a family group consisting of two parents and their children. 4. From the upper rooms of the houses may be seen a large number of old roofs. 5. In recent years, the number of skyscrapers has in Ho Chi Minh City. 6. After some hesitation, teachers seem to have accepted the new system. 7. A typical family consists of multiple generations living together in the same household. 8. On the way home we shared our first-class with a group of businessmen. 9. The Cat Linh-Ha Dong elevated railway is expected to be in 2018. 10. They are digging a to hold a water pipe which will divert water from the river.

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Cho hình vuông ABCD,trên cạnh AB và AD lần lượt lấy các điểm M và N sao cho AM=DN .Vẽ các đường tròn (M,MB) và (N,ND). --- a)Chứng minh (M) và (N) cắt nhau. b)Gọi E,F là giao điểm của (M) và (N).Chứng minh rằng đường thẳng EF đi qua một điểm cố định.

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MN sửa lỗi ngữ pháp giúp mình với Good morning everyone. Let me introduce myself. My name is Minh. Today, I am very glad to tell you about my topic “Air pollution”. My presentation is divided into three main parts including (1) Causes of air pollution, (2) Impacts, and (3) Suggestions of solutions. It takes me about 15 minutes to cover all of the main parts of my talk. If you have any questions, I will be happy to answer them after my presentation. Air pollution is becoming more and more serious First of all, I would like to talk about the Causes of air pollution. The first cause I want to mention is gas emissions from factories and vehicles. As the gases from factories are not treated, they are very harmful to not only the air but also the environment. One of the substances contributing to the air pollution found in these gas is carbon dioxide (CO2) – one is also included in the gas emissions from vehicles. Additionally, nowadays, more and more plants and vehicles are appearing, contributing to the more serious of air pollution. The more gases discharged into the air, the more polluted the air is. And this brings several bad effects on both the environment and humans. Now, I will continue with the second part about its impacts. Firstly, the polluted air certainly affects the environment. Air pollution means that the CO2 in the air is high, and this gas will cause the greenhouse effect. This phenomenon will result in global warming and this is very bad for the environment. Also, the ecosystem is influenced because, in places where the CO2 is more than Oxide, living things are hard to survive. They can die or become extinct. Another impact is harming human life. The polluted air damages people’s health because it causes respiratory diseases. Besides, it might have negative influences on daily life. As the air is polluted seriously, people will prefer staying at home rather than going out to avoid diseases, interrupting their lives. Moreover, pollution also costs the government money to handle problems. Every year, the government needs to spend a large amount of money to deal with air pollution to better society. If it is not prevented as soon as possible, the amount will increase gradually. Trees are useful assistants to reduce air pollution Finally, I want to talk about the suggestion for solutions to solve the air pollution problem. Objectively speaking, it would be better if the government have suitable strategies such as encouraging people not to cut down trees without their permission and to use public transport to reduce the number of vehicles as well as implementing appropriate strict laws to require plants to treat their exhausted gas before they are discharged into the air. Subjectively speaking, we should be aware of air protection. We should use green energy and not cut down trees without permission from the government and travel by walk or by bike. Let’s protect our air for the next generation together. This brings me to the end of my presentation. To sum up, I would like to mention what I have said so far. First, I talk about the causes of air pollution. Next, its effects are mentioned, and finally, I suggest some solutions to protect our air. Thanks for listening.

`4.``Tính` `a,(\frac{1}{2}^15).` `(\frac{1}{4}^20)`

Lúc 6 giờ 15 phút 1 người đi xe máy từ nhà ra bến xe với vận tốc 40 Km/giờ . Hỏi mấy giờ người đó bến bến xe biết quãng đường từ nhà đến bến xe dài 60 km.

Văn bản “ Hạ Long – Đá và - Nước” có đoạn sau: “...Và cái thập loại chúng sinh Đá chen chúc khắp vịnh Hạ Long kia, già đi, trẻ lại, trang nghiêm hơn hay bỗng nhiên nhí nhảnh, tinh nghịch hơn, buồn hơn hay vui hơn,...hóa thân không ngừng là tùy theo góc độ và tốc độ xa gần và hướng ta tiến đến chúng hay rời xa chúng; còn tùy theo cả hưởng ánh sáng rọi vào chúng, hoặc đột nhiên khiến cho mái đầu một nhân vật Đá trẻ trung ta chừng đã quen lắm bỗng bạc xóa lên, và rõ ràng trước mắt ta là một bậc tiên ông không có tuổi...” 1.Vấn đề được nói đến trong đoạn văn trên là gì? Sử dụng phương thức biểu đạt nào để diễn tả điều đó? Trong đoạn văn có sử dụng một phép liên kết câu, hãy chỉ rõ phép liên kết đó? 2. Biện pháp tu từ nào có trong đoạn văn? Nêu tác dụng? 3. Từ “Đả” trong đoạn văn trên thuộc từ loại nào? Hãy tìm một từ khác từ loại với Đá mà em vừa tìm được và đặt một câu trần thuật đơn cho từ loại đó? Huhu giúp tớ đi mà tớ cảm ơn nhiều ạ