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2 năm trước
Cho 12.4 g Natri oxit tác dụng với nước thu được 250 ml dung dịch natrihiđroxit.
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Read the passage, and then choose the correct answers. Tokyo is the capital of Japan. In Tokyo, there are always too many people in the place where you want to come. People are very polite even when they often spend a long time on traffic jams. Tokyo is different from London when you want to walk to a place. During the day, most people travel to work by train. Tokyo people buy six million train tickets every day. Although they are us ually crowded, Japanese trains are very good. They always leave and arrive on time. On a London train, everybody in a seat seems to be asleep whether the journey is long or short. The worst time to be in the street at night is about 11.30 when the nightclubs are closing and everybody wants to go home. 11.Tokyo is different from London because ……………………………………….. A. it has a larger population B. it is a noisy city C. it is more difficult to walk to somewhere D. its people are friendly and more polite 12. When does the writer think the worst time to go into the street? A. When the nightclubs are closing. B. At 8.00 am. C. When the trains are full. D. At 11.30 am 13. What does the writer think of Japanese trains? A. They are very nice and comfortable. B. There are not enough trains. C. They often run late. D. They leave and arrive on time.

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