- Bài trình bày của các bài kiểm tra chặt chẽ sao chép các bài kiểm tra thực tế, cung cấp đào tạo cũng như làm quen vô giá với các định dạng thi. - Giới thiệu bao gồm một mô tả chi tiết của tất cả các phần của bài thi, cùng với các chiến lược cho việc chuẩn bị hiệu quả. | Tobacco For thousands of years tobacco was used by die American ndianr. with no lll-etfecL In the 16th century it was brought to Europe This early tobacco was mixed with soil and rather dirty. It was chewed or smoked in pipes only by men - women thought It smelly and disgusting. It was first grown commercially in America III die 17th century on slave plantations. In the 18th century new technology refined tobacco and the first cigarettes were produced. By the 1880s huge factories were producing Cigarettes which were clean and easy to smoke. Chain-smoking and inhaling became possible and by rhe middle of the 20th century tobacco addicts both men and women were dying of lung cancer in great numbers. Nowadays cigarette smoking is banned in many places especially in the USA But until 1820 tobacco was America s main export and still today their tobacco industry makes over billion a year. Sugar Sugar cane was grown in India thousands of years ago tn Roman times It WAI. known inEurope as a great luxury and it was rare and expensive for many centuries after that In 1493 Columbus took a sugar plant with him to he West Indies where It grew so well that huge plantations were started by Europeans and worked on by slaves were shipped across the Atlantic from Africa packed sometimes one on top of the other in chains on a journey that took six weeks Many empty ships then carried the sugar back to Europe. So much monệỳ was made that sugar was known as white gold Sugar is used to sweeten food and make sweets and chocolate It is addictive but unnecessary By the 16th century the English were the greatest sugar-eaters in history. Elizabeth I lost all her teeth because she ate so much of it Cotton Cotton has been grown for over five thousand years in places as tar apart as Mexico. China Egypt and India It was first planted In America in 1607. Before 1800 cotton was a great luxury more expensive than silk because so many workers were needed to pick It-However a .
