考前冲刺：2021年考研《英语一》模拟试题(2020-10-18)

发布时间：2020-10-18

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目前，2021年考研初试备考时间已不足三个月，不知各位小伙伴复习的如何了？在最后阶段，我们最需要做的是了解考试，而试题练习无疑是非常不错的方法。为了帮助大家备考，51题库考试学习网在下面为大家带来考研初试的一些模拟试题，一起练起来吧。

Section II Reading Comprehension

Part A

Directions:

Read the following four texts. Answer the questions below each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1. (40 points)

Text 1

The food you eat does more than provide energy. It can have a dramatic effect on your body\'s ability to fight off heart disease, cancer, diabetes, high blood pressure, stroke, and weak bones. With remarkable consistency, recent research has found that a diet high in plant-based foods—fruits, vegetables, dried peas and beans, grains, and starchy staples such as potatoes—is the body\'s best weapon in thwarting many health-related problems. These foods work against so many diseases that the same healthy ingredients you might use to protect your heart or ward off cancer will also benefit your intestinal tract and bones.

Scientists have recently estimated that approximately 30 to 40 percent of all cancers could be averted if people ate more fruits, vegetables, and plant-based foods and minimized high-fat, high-calorie edibles that have scant nutritional value. Up to 70 percent of cancers might be eliminated if people also stopped smoking, exercised regularly, and controlled their weight. In the past, researchers had linked fat consumption with the development of cancers, but they currently believe that eating fruits, vegetables, and grains may be more important in preventing the disease than not eating fat. "The evidence about a high-fat diet and cancer seemed a lot stronger several years ago than it does now," says Melanie Polk, a registered dietitian and director of nutrition education at the American Institute for Cancer Research.

The road to strong bones is paved with calcium-rich food. Leafy green vegetables and low-fat dairy products are excellent sources of calcium, the mineral that puts stiffness into your skeletal system and keeps your bones from turning rubbery and fragile. Your body uses calcium for more than keeping your bones strong. Calcium permits cells to divide, regulates muscle contraction and relaxation, and plays an important role in the movement of protein and nutrients inside cells. If you don\'t absorb enough from what you eat to satisfy these requirements, your body will take it from your bones. Because your body doesn\'t produce this essential mineral, you must continually replenish the supply. Even though the recommended daily amount is 1,200 mg, most adults don\'t eat more than 500mg. One reason may have been the perception that calcium-rich dairy products were also loaded with calories. "In the past, women, in particular, worried that dairy products were high in calories," says Letha Y. Griffin, M.D., of Peachtree Orthopaedics in Atlanta. "But today you can get calcium without eating any high-fat or high-calorie foods by choosing skim milk or low-fat yogurt." Also low-fat dairy products contain phosphorous and magnesium and are generally fortified with vitamin D, all of which help your body absorb and use calcium. If you find it difficult to include enough calcium in your diet, ask your doctor about supplements. They\'re potent way to get calcium as well as vitamin D and other minerals. But if you rely on pills instead of a calcium-rich diet, you won\'t benefit from the other nutrients that food provides. Getting the recommended vitamin D may be easy, since your body makes the vitamin when your skin is exposed to the sun\'s rays.

21. Which kind of food is recommended to prevent heart disease, cancer, diabetes, high blood pressure, stroke, and weak bones?

[A] Calcium-rich food.

[B] Plant-based and starchy staples food.

[C] High-fat, high-calorie food

[D] Vitamin D-rich food.

22. The underlined word "thwart" (Para. 1) most probably means "________".

[A] destroy

[B] forbid

[C] cure

[D] prevent

23. ________ percent of all cancers could be averted if people ate more fruits, vegetables, and plant-based foods and minimized high-fat, high-calorie edibles.

[A] 30-40

[B] 40-50

[C] 50-60

[D] 60-70

24. According to the passage, cancers may take some healthy steps other than ________.

[A] stop smoking

[B] exercise regularly

[C] take non-fat diet

[D] control their weight

25. Which of the following statements is NOT true?

[A] Today you can get calcium without eating any high-fat or high-calorie food by choosing skim milk or low-fat yogurt.

[B] Calcium plays an important role in the movement of protein and nutrients inside cells.

[C] You can rely on pills instead of a calcium-rich diet to take enough calcium.

[D] If you want to absorb calcium, you should expose yourself to the sun\'s rays.

以上就是51题库考试学习网为大家带来的全部内容，希望能给大家一些帮助。51题库考试学习网提醒：目前2021年考研大纲已经公布，小伙伴们在复习时要注意以大纲为准哦。另外，小伙伴们如果还有其他关于考研信息的疑问，也可以留言咨询哦。

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下面小编为大家准备了 研究生入学 的相关考题，供大家学习参考。

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