user-avatar
hothanhnam
2 năm trước
Trình bày các nguyên tắc cấu tạo và chức năng của phân tử ADN. Nguyên tắc bổ sung được thể hiện như thế nào trong các cơ chế di truyền?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Today, supermarkets are found in almost every large city all over the world. But the first supermarket was opened only fifty years ago. It was opened in New York by a man (25) ________ Michael Cullen. A supermarket is (26) ________ from other types of stores in several ways. In supermarkets, goods are placed on open shelves. The (27)_________ choose what they want and take them to the checkout counter. This means that fewer shop assistants are needed than in other stores. The way products are displayed is another difference between supermarkets and many other types of stores; (28)_________ example, in supermarkets, there is usually a display of small inexpensive items just in front of the checkout counter: candies, chocolates, magazines, cheap foods and so on. Most customers who go to a supermarket buy goods from a shopping list. They know exactly what they need to buy. They do the shopping according to a plan. Question 25: A. spoken B. known C. named D. said Question 26: A. different B. differently C. difference D. differences Question 27: A. sellers B. managers C. assistants D. customers Question 28: A. in B. for C. of D. by Part 2: Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. (1.0 pt) You probably hear a lot about the environment. But do you really worry about it? Do you help to save the Earth? Cleaning a planet is not a task for only one person. People everywhere have to get involved and understand this is our world. If we pass the world about the importance of reducing, reusing and recycling, the destiny of this planet can change. Reducing the amount of waste you produce is the best way to help the environment. Did you switch off the water while brushing your teeth in the morning? You should do it! Did you walk to school or did you use public transportation? Reusing is another way of being environmentally friendly. Try to find ways to use things again! Take cloth sacks when you go shopping instead of taking home newspaper or plastic bags. You should use cloth sacks again and again. You have to save some trees! Shoe boxes and margarine containers can be used to store things or become fun art projects. Use your imagination! You can also recycle in your home or even at school. Many communities have recycling centers for newspapers, batteries and a variety of glass and plastics. These can be made into new products. Question 29. Which of the following statements is NOT true? A. The environment is probably talked a lot about. B. Batteries, glass and plastics cannot be recycled. C. Only one person cannot save the planet. D. You should use cloth sacks to go shopping. Question 30. According to the passage, how many ways are there to help save the Earth? A. 4 B. 5 C. 3 D. 6 Question 31. According to the third paragraph, which of the following can be used to make fun arts? A. shoe boxes B. cloth sacks C. batteries D. plastic bags Question 32. What does the word “These” in the last paragraph refer to? A. Your home and school. B. Many communities. C. Newspapers, batteries, glass and plastics. D. Centers.

. Fill in each gap with ONE suitable word to complete the following passage. (20 points) Health experts have warned that the currently soaring obesity levels in European children may (1) _____create health problems of epidemic proportions within the next three decades. Over the past ten year years, obesity in six-years olds has doubled (2) ______the number of obese fifteen-year olds has trebled. If present trends continue, by 2030 between 60 and 70 percent of Europeans will be overweight and 40 to 50 percent will be obese. The (3) _______ rise in weight-related diabetes, high blood pressure, heart disease and some forms of cancer will (4) _______intolerable strains on health services unless steps are taken to address the problem. The explosion in child obesity can be put (5) ______to the increasingly inactive lifestyles of modern children. Many parents, worried lest their children (6) _______come to (7) ______ from traffic or strangers, discourage them (8) ______playing outdoors and instead provide ever more opportunities for sedentary entertainment in the home. Nor should the influence (9) ______ the food industry be underestimated:(10) ________spends one thousand times more on advertising fast foods and convenience foods in Europe and America than the total budget for promoting health in the same two regions.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team