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2 năm trước
Tính độ dài đáy bé của hình thang có diện tích bằng 425,6145$dm^2$, biết chiều cao bằng 24,3dm và đáy bé bằng 2/3 đáy lớn.
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( Các bạn giải thích giúp mình nhé ) 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 questions. Political and economic reforms launched in 1986 have transformed the country from one of the poorest in the world, with per capita income around US $100, to lower middle income status within a quarter of a century with per capita income of around US$ 2,100 by the end of 2015. Vietnam's per capita GDP growth since 1990 has been among the fastest in the world, averaging 5.5 percent a year since 1990, and 6.4 percent per year in the 2000s. Vietnam's economy continued to strengthen in 2015, with estimated GDP growth rate of 6.7 percent for the whole year. The Vietnamese population is also better educated and has a higher life expectancy than most countries with a similar per capita income. The maternal mortality ratio has dropped below the upper-middle-income country average, while under-five mortality rate has fallen by half, to a rate slightly above that average. Access to basic infrastructure has also improved substantially. Electricity is now available to almost all households, up from less than half in 1993. Access to clean water and modern sanitation has risen from less than 50 percent of all households to more than 75 percent. Vietnam's Socio-Economic Development Strategy (SEDS) 2011-2020 gives attention to structural reforms, environmental sustainability, social equity, and emerging issues of macroeconomic stability. It defines three "breakthrough areas": promoting human resources/skills development (particularly skills for modern industry and innovation), improving market institutions, and infrastructure development. In addition, the five-year Socio-Economic Development Plan 2011-2015 focused on three critical restructuring areas - the, banking sector, state-owned enterprises and public investment that are needed to achieve these objectives. The recent draft of the SEDP 2016-2020 acknowledges the slow progress of the reform priorities of the SEDP 2011-2015. With agriculture still accounting for almost half the labor force, and with significantly lower labor productivity than in the industry and services sectors, future gains from structural transformation could be substantial. The transformation from state to private ownership of the economy is even less advanced. The state also wields too much influence in allocating land and capital, giving rise to heavy economy wide inefficiencies. So, adjusting the role of the state to support a competitive private sector-led market economy remains a major opportunity. This will be important for enhancing productivity growth which has been stagnating for a long time. 1. What was Vietnam’s per capita GDP growth rate in 2015? A. 5.5 % B. 6.4 % C. 6.7 % D. 7.5 % 2. Which of the followings is not mentioned as an example of development in Vietnam? A. The wide availability of electricity B. The improved access to cleanliness C. The large number of people educated abroad D. The small number of people dead after birth

( Các bạn giải thích giúp mình nhé ) 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 questions. Going to a restaurant shouldn't be your excuse to eat unhealthy foods. Follow these tips and not only will you enjoy your meal more, you'll feel satisfied and happy when you're done. First, ask for it your way. Dining out is no time to be a meek consumer, notes Michael F. Jacobson, Ph.D., executive director of the Center for Science in the Public Interest (CSPI) and coauthor of the book Restaurant Confidential. “You need to be an assertive consumer by asking for changes on the menu,” he says. For instance, if an item is fried, ask for it grilled. If it comes with French fries, ask for a side of veggies instead. Ask for a smaller portion of the meat and a larger portion of the salad; for salad instead of coleslaw; baked potato instead of fried. “Just assume you can have the food prepared the way you want it,” says Dr. Jacobson. “Very often, the restaurant will cooperate.” Second, order A Salad before ordering anything else on the menu. Scientists at Pennsylvania State University found that volunteers who ate a big veggie salad before the main course ate fewer calories overall than those who didn’t have a first-course salad, notes Novick. However, remember: Salads Shouldn’t Be Fatty. This is a vegetable course-keep it tasty but healthy. That means avoiding anything in a creamy sauce (coleslaw, pasta salads, and potato salads), and skipping the bacon bits and fried noodles. Instead, load up on the raw vegetables, treat yourself to a few well-drained marinated vegetables (artichoke hearts, red peppers, or mushrooms), and for a change, add in some fruit or nuts. Indeed, fruits such as mango, kiwi, cantaloupe, and pear are often the secret ingredient in four-star salads. 1. Which of the followings best replaces the word ‘meek’ in the first paragraph ? A. Average B. Assertive C. Passive D. Potential 2. What is M. F Jacobson’s job? A. A doctor B. A film director C. A chef D. A write 3. According to Dr. jacobson, most restaurants... A. are ready to prepare food in the way you ask for B. will cooperate to add your food on the menu C. hate customers ordering food out of the menu D. will ask customers for changes on the menu 4. What is suggested as a starter? A. Bacon bits B. Coleslaw C. Fried noodles D. Veggie salads 5. Which of the followings is the best title for the passage? A. Eating in a restaurant: Do’s and don’ts B. Tips for eating healthy while dining out C. Ways to order food beyond the menu D. Tricks for cooking better than restaurants

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