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I'm taking a test and have to guess the right answer to the question after the article. Article: People who do not get enough vitamin A in their diet may develop night blindness.But in the developing world a lack of vitamin A causes much more serious harm to children.The World Health Organization links the lack of vitamin A to as many as 250.000 child deaths every year. One excellent source of vitamin A is found in sweet potatoes with orange flesh.Orange sweet potatoes contain high levels of beta-carotene ,which our body can change into vitamin A. Experts say orange sweet potatoes specially bred (,) for growing conditions in Africa could help solve the lack of vitamin A there. But, first, more people will need to be persuaded to eat them. Jan Low with the International Potato Center, a research organization says the sweet potato needs a better image in Africa. Jan Low says,... We do have an image problem with sweet potato in general in sub-Saharan Africa. It is seen as a crop of the poor. " Ms Low explains that sweet potatoes are mainly grown by poor women to feed their families in case another crop fails. The sweet potatoes commonly grown if Africa have white or yellow flesh. But, more importantly, they are low in vitamin A. Jan Low took part in a project to study how best to market orange sweet potatoes to Africans.She worked on an information campaign in Mozambique and Uganda.The campaign included radio messages about the nutritional benefits of the orange sweet potato.They advertised its ability to" fight diseases, make you strong, clear your skin and make you look healthy." In areas without radio, the campaigners spread the message through community theater.The performances included singing, dancing and storytelling.And everywhere they went, the campaigners wore orange T-shirts and hats.They even drove orange vehicles.Jan Low says the color1 made it easier to gain public attention. Dan Gustafson heads the Washington office of the United Nations Food and Agriculture Organization. He points to efforts in the past to increase the popularity of other nutritious crops. He... Question: The passage mainly talks about _ . Options: A: an image problem with orange sweet potato B: an information campaign in sub-Saharan area C: the popularity of vitamin A D: the function of vitamin A in people's diet
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I'm taking a test and have to guess the right answer to the question after the article. Article: The Eiffel Tower was built in 1889, in memory of the 100th birthday of the French Revolution. The Prince of Wales, later King Edward VII of England, opened the tower. Of the 700 suggestions that were handed in, Gustave Eiffel's was chosen. However, at first, it was not well accepted by all and a group of people -- including many well-known writers and painters at that time -- were fiercely against its design. Being about 300 meters in height, and 7,000 tons in weight, it was the world's tallest building until 1930. It was a great project for France. 300 workers took two years to build it. It isn't an ordinary building, since it is almost made of steel. For example, its body moves around at most 12 cm in heavy wind. Moreover, its height changes up to 15 cm according to the temperature. It was almost destroyed in 1909, but was saved because of its antenna , which is used for communication at that time. Beginning in 1910 it became part of the International Time Service. French radio and French television have also made good use of its height. The Eiffel Tower has also seen a few strange things. In 1923, a journalist rode a bicycle down from the first level of it. And in 1954, a mountain climber climbed on top of it and tried to measure its exact height. Anyway, although its birth was difficult, it is now well accepted all over the world. It has been considered as one of the symbols of Paris. Question: The passage mainly tells us _ . Options: A: the history of the Eiffel Tower B: some information about its design C: what the Eiffel Tower was used for D: how it became one of the symbols of Paris
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I'm taking a test and have to guess the right answer to the question after the article. Article: American government suggests that children and teens should get 60 minutes of physical activity every day. But less than half of children and just 10% of teens meet these suggestions. What's the deal? It's reported that about 44million US kids participate in organized sports(such as baseball, softball, soccer).But a new study says just one-quarter of kids get the government-recommended amount of exercise when they show up for team practices. The study, published online last month in a medical journal, says younger kids and boys do better than teens and girls. The study looked at 200 kids aged 7 to 14 who played on soccer, baseball and softball teams. The kids wore sensors to measure their activity during practices. During each practice, kids averaged 30 minutes of downtime . "It is not clear how much physical activity is provided by youth sports practices," say the California-based authors of the study. "Much of the time may be inactive, such as receiving verbal instructions and waiting for turns." What's a parent or coach--or kid--to do? The authors of the study suggest increasing the number of practices, _ the time of practices and changing it up during practices. For example, the coach could give each player a ball at the same time. Rather than focusing on one player's skills, it's best to get the whole team moving. But, the study says, the bottom line is that team sports aren't enough exercise. For a child to meet the US physical activity suggestions, the kid will have to do more than just join a team. Exercise is also necessary during breaks, during physical education class, after school and even on the way to school. Question: The passage is probably written for _ . Options: A: physical teachers and parents B: doctors and nurses C: class advisers and researchers D: kids and headmasters
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