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Levi Strauss, a young immigrant from Germany, arrived in San Francisco in 1850. California was in the middle of the Gold Rush. Thousands of men were coming to California to dig for gold. And Strauss came to sell canvas to these gold miners. Canvas is a heavy fabric, so Strauss thought the miners could use the canvas for tents. One day Strauss heard a miner complain that he couldn’t find clothes strong enough for the work he was doing. Strauss got an idea. He quickly took some of his canvas and made it into pants. These pants were what the miners needed. In one day Strauss sold all the pants he had made. Strauss wanted to improve his pants. He wanted to make them even better. He bought a fabric that was softer than canvas but just as strong. This fabric came from Nimes, a city in France, and was called serge de Nimes. The miners like this fabric. They called it “denim” from (de Nimes) and bought even more pants from Strauss. However, denim had no color. Because of this the denim pants did not look very interesting, and they got dirty easily. To solve these problems, Strauss dyed the denim blue. Strauss continued to improve his jeans. Today the company he started is known around the world. And Jeans are considered not just practical but very fashionable as well. True or False? 1. Strauss came to California to buy canvas for the gold miners. ______ 2. Strauss made his first jeans from a fabric called serge de Nimes. ______ 3. Nimes is a city in France. ______ 4. Jeans are considered good for many uses. ______ Questions 5. What could be the best title of the passage? A. A Young Immigrant From Germany B. The Gold Rush C. Serge de Nimes D. The History of Blue Jeans 6. What does the word “immigrant” mean? A. a person who is good at business C. a person who moves to another country B. a person buys and sells thing D. a person who work in a mine

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Khi hoà tan một lượng của một oxit kim loại (hoá trị II) vào một lượng vừa đủ dung dịch axit H2SO4 4,9%, người ta thu được một dung dịch muối có nồng độ 5,88%. Xác định công thức của oxit trên.;

Hai viên bi sắt kích thước nhỏ, mang các điện tích q1 và q2, đặt cách nhau một khoảng r. Sau đó các viên bi được phóng điện sao cho điện tích các viên bi chỉ còn một nữa điện tích lúc đầu, đồng thời đưa chúng đến cách nhau một khoảng 0,25r thì lực tương tác giữa chúng tăng lên

gấp lắm các bạn ơi giúp mình nhé 60 điểm ạ

Reading 5 Two Americans, Jacob Davis and Levi Strauss made the first jeans in 1873. Davis bought cloth (1)_____ Levi’s shop. He told Levi that he had a (2)_____ way to make strong trousers for workmen. The first jeans were blue. In 1935 jeans became high (3)_____ clothing for women after they had (4)_____ them in Vogue magazine. In the 1970s, Calvin Klein earned $ 12.5 million (5)______ from jeans. Jeans have never been out of fashion (6)_____ a lot of people are still fond of wearing them. 1. A. out B. from C. by D. of 2. A. special B. well C. interested D. easily 3. A. fashionable B. traditional C. fashion D. tradition 4. A looked for B. seen C. made D. taken 5. A. of week B. to week C. every weeks D. a week 6. A. although B. but C. so D. because

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giải giúp mình với ạ mình cần gấp

8. My cousin goes to a_________ school, so she only comes home at weekends. a. boarding b. private c. public d. international