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For this task, you will write a response to a question about a reading passa
For this task, you will write a response to a question about a reading passa
游客
2024-01-04
24
管理
问题
For this task, you will write a response to a question about a reading passage and a lecture. You may take notes, and you may use your notes to help you write your response. Your response will be scored on the quality of your writing and on how well you connect the points in the lecture with points in the reading. Typically, an effective response will have 150 to 225 words.
Some foods are endowed with super powers that give you more energy and greater protection against disease. Eating a diet rich in blueberries, tomatoes, broccoli, and garlic will change your life for the better. By making these superpower foods part of your regular eating habits, you can actually change the course of your biochemistry and stop the gradual changes in your body that lead to diseases such as Alzheimer’s, cancer, high cholesterol, obesity, and diabetes.
The concept of superpower foods is supported by research. Studies on blueberries show that they have a positive effect on brain function and motor movement in aging rats.
Blueberries also appear to prevent mental decline in mice genetically engineered to develop Alzheimer’s disease. Eating one cup of blueberries every day will reduce aging-related damage in our brain. Blueberries are an excellent source of antioxidants, nutrients in fruits and vegetables that neutralize the products of our metabolism before they can harm brain cells. Researchers believe that blueberries protect our brain through their antioxidant and anti-inflammatory action. Blueberries also seem to influence the way brain cells communicate with each other.
Tomatoes and tomato-based products are the major source of many carotenoids including lycopene. Research shows that lycopene, the red pigment in tomatoes, helps lower cholesterol and reduces the risk of prostate cancer. Studies show that the antioxidants in broccoli and cabbage help prevent colon cancer. Other studies show that garlic is the natural enemy of high cholesterol and the common cold. Eating foods with garlic or taking garlic supplements will produce a drop in LDL blood cholesterol.
Now listen to the recording. When you hear the question, begin your response. You may look at the passage during the writing time.
Summarize the points made in the lecture you just heard, explaining how they cast doubt on points made in the reading.
Now listen to part of a lecture about the same topic.
The idea that some foods are better than others has been around for a long time. But the idea that certain foods have super powers is a big exaggeration. Several leading nutrition scientists question the evidence on some of these claims-and for good reason. The whole concept of superpower foods is far-fetched.
For instance, while the research on blueberries and brain function is very exciting, this work has so far been conducted only on animals. The studies were conducted on rats and mice. not humans. There are no completed studies that show comparable results in people. Until we have data on humans, we can’t go around telling people that blueberries have super powers.
While the evidence in the article isn’t exactly wrong, it tends to be misleading because it doesn’t differentiate between direct evidence and stuff that’s pretty speculative. For example, it’s a good idea to eat tomatoes because they’re full of nutrients, but we can’t promise that people who eat them aren’t going to get cancer. The same is true for broccoli and other vegetables in the cabbage family. They might prevent colon cancer, but we don’t yet have direct proof of this.
Another thing, the statement that garlic has the power to lower cholesterol probably isn’t true. According to a more recent review of the evidence, the effect of garlic on cholesterol is unclear. While garlic may produce a drop in cholesterol for the first three months, the decline disappears after six months.
What I’m saying is, no food has magic powers. You have to realize that a lot of these so-called "studies" are poorly designed and unscientific. So when you read claims about certain foods, you have to be careful to distinguish direct, scientific evidence from simplifications, opinions, and misleading statements.
选项
答案
According to the lecture, the idea that certain foods have super powers is exaggerated, misleading, and questioned by nutrition scientists. This casts doubt on the point in the reading that the concept of superpower foods is supported by research.
The lecture states that the research on blueberries and brain function was conducted only on rats and mice, not humans, so we cannot say the results are true for humans. This casts doubt on the point in the reading that blueberries have a positive effect on the human brain.
The lecture states that there is no direct proof that tomatoes, broccoli, and cabbage will prevent cancer. This casts doubt on the point in the reading that these vegetables help prevent cancer.
The lecture states that a recent review of the evidence on garlic shows its effects to be unclear. This casts doubt on the point in the reading that garlic reduces blood cholesterol and fights the common cold.
解析
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