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题型:完形填空 难度:0.4 引用次数:179 题号:17217614

Processed foods like chips, soda and frozen pizzas are full of salt, sugar and fat. Now scientists are trying to understand if there is something else about such foods that may be bad for humans. Scientists have already linked low-cost, ________ foods to rising obesity rates around the world. Three recent studies offer more ________ into how our increasingly industrialized food supply may be affecting our health.

What does processed food mean?

The researchers created a system that ________ foods into four groups. The system says highly processed foods are made ________ of industrialized materials and additives. Sodas, packaged cookies, instant noodles and chicken nuggets are some examples of highly processed foods. But also included are products that can ________ healthy, such as morning cereals, energy bars and some kinds of yogurt.

What’s wrong with processed foods?

Researchers at the National Institutes of Health conducted a four-week study involving 20 people. They found that people eat about 500 more calories a day when ________ mostly processed foods. That is compared with when the   ________ subjects were given less processed foods. The researchers permitted the 20 participants to eat as much or as little as they wanted. They were taken to a medical center so their health and behavior could be ________.

In another study, researchers in France found people who ate more processed foods were more likely to have heart disease. ________, a similar study in Spain linked eating more processed foods to a higher risk of death in general.

What is it about processed foods?

When given less processed foods, people in the study ________ more of a hormone that controls hunger, and less of a hormone that causes hunger. The reason for the ________ is not clear. The scientists also found that people ate processed foods more quickly.

Kevin Hall is one of the researchers who led the study. He told the AP that processed foods are usually softer and easier to chew and swallow. Hall noted the source of nutrients might ________. For example, fiber from whole fruits and vegetables may be better for making people feel ________ than fiber added to packaged foods such as energy bars and yogurt.

What should you eat?

Avoiding processed foods can be hard, ________ for people with limited time and money. Processed foods can also take many forms. In addition, companies continually ________ products to make them seem healthier. The newest studies may provide more reasons to avoid processed foods. But, they also call attention to the difficulty of coming up with ways to do that.

1.
A.organicB.deliciousC.packagedD.cheap
2.
A.inquiriesB.insightsC.explorationsD.reports
3.
A.distinguishesB.definesC.classifiesD.keeps
4.
A.speciallyB.mostlyC.naturallyD.technically
5.
A.remainB.feelC.becomeD.appear
6.
A.consumedB.forcedC.deprivedD.fed
7.
A.sameB.normalC.differentD.alternative
8.
A.explainedB.trackedC.curedD.overlooked
9.
A.MeanwhileB.HoweverC.HenceD.Otherwise
10.
A.collectedB.producedC.absorbedD.relieved
11.
A.hungerB.procedureC.reactionD.feedback
12.
A.strike a balanceB.run a riskC.pose a threatD.make a difference
13.
A.ful1B.contentC.starvingD.excited
14.
A.especiallyB.generallyC.speciallyD.reasonably
15.
A.restructureB.rearrangeC.redecorateD.reengineer
【知识点】 健康饮食 说明文

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【推荐1】I live in Watts in South Central L. A. and I’m fat. There are many fast food stores near my home and my mom _______ buys hamburgers for dinner. I’ve tried to talk her so many times into buying something _______. But she just doesn’t have time to do it. So I had to make better _______ for myself.

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A.hardlyB.neverC.sometimesD.often
2.
A.expensiveB.freshC.healthyD.delicious
3.
A.explanationsB.decisionsC.waysD.hobbies
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A.hearB.gainC.tryD.learn
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A.chooseB.serveC.cookD.eat
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A.betterB.funnierC.fasterD.simpler
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A.presentB.donateC.produceD.give
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A.sinceB.butC.asD.so
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A.uselessB.inconvenientC.readyD.bad
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8.
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A.influenceB.privilegeC.informationD.supplies
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A.almostB.evenC.justD.partly
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A.darkB.coldC.lateD.cool
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