b1: Cho nửa đường tròn đường kính AB,trên tia đối của tia AB lấy điểm M.Kẻ tiếp tuyến MN với nửa đường tròn (N là tiếp điểm ).Vẽ HN vuông góc với AB . Chứng minh rằng: ∧MNA = ∧ANH

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. Read the following Tourist Information Poster and complete it with one suitable word in each blank. Five great places to visit in Britain 1. A beautiful area Snowdonia in north of Wales is a region of beautiful mountains. Snowdonia is 1,085 meters (1) _________ and is the highest mountain in England and Wales. There is a small train to the top of the (2)_________. The view is fantastic if it isn’t raining! A café there sells drinks and traditional Welsh cakes. 2. An activity centre Fort William is a great place for exciting out door (3)__________. People come to climb Ben Nevis, the highest mountain in Britain. It is 1,344 metres high. White-water rafting is very popular and it is also possible to go paragliding. Loch Ness is not far if you (4) __________ to see the monster! 3. An ancient monument Millions of people (5)___________ Stonehenge every year. This strange circle of very big stones is over 4,000 years old. Archaeologists think it is very old calendar because the sun (6)__________ on different stones at different times of years. 4. An interesting city Manchester is a very interesting (7)___________. The Museum of Science and Industry sounds boring but it isn’t. There is a 4D cinema with moving seats and lots more. It is a great city (8)__________ music, shopping and football. It is possible to visit Old Trafford, the stadium of Manchester United football team. 5. A great seaside resort Newquay is a (9)_________ town in Cornwall. The beaches are fantastic and the old town is beautiful. Sailing and surfing are popular here. Newquay is a great place for food, too. It is (10)____________ for the Cornish pasty, a type of pie with meat and potatoes.