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ncnkncnk
2 năm trước
Cho tam giác ABC vuông tại A, vẽ đường phân giác CI ( I thuộc AB) và vẽ đoạn thẳng IE vuông góc với BC tại E a) Chứng minh tam giác AIE là tam giác ccân. b) So sánh IB và IA. c) Gọi O là điểm nằm giữa C và I, chứng minh OA+OB< CA+CB Nhanh nhé
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Đề bài: Read the text.Each of the sentences has one mistake.Find and correct the mistakes John Kangsister and his wife,Kathy live in in teresting house.It's an eco home.Eco home don't harm the enviroment they don't use coal or oil,so they don't produce dangerous gases. John and Kathy's eco home is in California, USA .It looks a house from one of The Lord of the Rings films.Most of the hoise is undergruond.The house was very cheap to buld. It has wooden walls and floors.The windows are recycled glass.There are solar panels to make electricity for the lights,DVD players,and computers.John and Kathy get water from a well and they grow vegetables in the mud on top of the house. Now John and Kathy don't want to live anywhere else.They love their home because it helps the planet greener and it looks fantastic.They think that eco homes are a great idea for every one. 1.Eco home don't produce dangerous chemicals ........................................................................................ 2. Eco homes don't use electricity ................................................................................. 3. The house was expensive to build. ............................................................. 4. The eco home has some floors ................................................................ 5. John and Kathy grow flowers on top of the house. ............................................................................................

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