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hien2001
2 năm trước
Hình chữ nhật ABCD với AB=5 ,AD=10 .Tính diện tích tp của khối hình trụ quay hình chữ nhật một vòng quanh cạch AD là ( Làm tròn đến số thập phân thứ 3)
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THE DANGER OF THE SUN Holiday beaches are like huge barbecues where people (1)______ like burgers on a grill. They are keen to soak up the sun, but often they do not (2)______ the dangers that this can involve. This does not mean that we should avoid the sun altogether. On the (3)______, doctors agree that sunshine in limited amounts is actually good for you. However, by some simple advice, holidaymakers can (4)______ a perfect tan while avoiding such dangers as sunburn and even cancer. The sun is at its strongest between 11 am and 3 pm, so it is (5)______ to stay in the shade during these hours. Babies should be kept (6)______ direct sun at all times, as they are particularly sensitive, and children should wear sun block and a hat. It is also important to reapply sun cream regularly, (7)______ after swimming. The eyes also need protection from the sun. We should not think of sunglasses as just a fashion accessory. They (8)______ vital protection from the sun's rays. Never wear sunglasses with cheap lenses; they do more (9)______ than good, so the extra money spent on a more expensive pair is well worth it. Summer is a great season. By being (10) ______,we can enjoy the sun without unpleasant consequences. 1. A. sit B. stand C. lie D. stretch 2. A. realise B. think C. conceive D. aware 3. A. opposite B. contrary C. other D. contrast 4. A. manage B. succeed C. do D. achieve 5. A. recommended B. warned C. demanded D. ordered 6. A. under B. over C. up with D. out of 7. A. only B. especially C. largely D. uniquely 8. A. provide B. get C. bring D. add 9. A. bad B. harm C. damage D. injury 10. A. senseless B. sensitive C. sensible D. logical YOUR ANSWERS:

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