Mảnh vườn hình chữ nhật có chiều dài 35m chiều rộng bằng 3/4 chiều dài. Giữa vườn người ta xây một cái bể hình tròn bán kính 2 m. tính diện tích đất còn lại của mảnh vườn

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Steve, 13 I love TV. The first thing I do when I wake up is to switch it on. My favourite channel is Cartoon Network. I watch TV three or four hours a day. My parents think it is too much and they are always telling me to study, read a little or play a sport. But TV is my favourite hobby. I’m addicted to my favourite progammes. Kate, 14 I know most teens don’t like watching the news, but I do. I like to know what is happening around our world. I also enjoy documentaries, especially about wildlife. I’m very curious about the way animals live and how to preserve their habitats. I also enjoy watching live shows and films, mostly comedies and thrillers. I watch TV two or three hours a day. Rachel, 17 I like TV as everybody else, but now that I’m older I am more selective about the programmes I watch. I used to watch cartoons all the time. Now I like watching the news and some game shows like “Who wants to be a millionaire?”, so I don’t really spend too much time in front of the box, an hour or two a day... Some programmes are educational and help us to use our imagination, but many are full of violence. A. Decide whether the following sentences are true (T) or false (F). 1. Steve is obsessed about TV. 2. Kate doesn’t like watching the news. 3. Rachel’s favourite programmes are still cartoons. 4. Kate likes watching things that make her laugh. 5. Rachel is the teenager who watches TV the least of the three. 6. Steve’s parents don’t mind that he watches too much TV. B. Answer the questions. 1. Which TV programme does Steve like watching? ..................................................................................... 2. Why does Kate like watching documentaries on wildlife? ....................................................................................... 3. How much time does Rachel spend watching TV?.................................................................................. 4. According to Rachel, what are the benefits of TV?................................................................................