Peoplewithbiggerbrainsftendtos

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更新 2022-09-03
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People with bigger brains ftend to score higher on standardized tests of intelligence， according to new study findings.
However， the study author Dr Michael A.McDaniel of the Virginia Commonwealth University in Richmond emphasized that these findings represent a general trend， and people with small heads should not automatically believe they are less intelligent. For instance， Albert Einstein’s brain was “not particularly large”， McDaniel noted. “There’s some relationship between brain size and intelligence on the average， but there’s plenty of room for exceptions，” he said.
Interest in the relationship between brain size and intelligence grew in the1830s， when German anatomist(解剖学家) Frederich Tiedmann wrote that he believed there was “an unquestionable connection between the size of the brain and the mental energy displayed by the individual man”. Since that statement， scientists have conducted numerous studies to determine if Tiedmann’s assertion was， in fact， correct. Most studies have looked into the link between head size and intelligence. More recently， however， researchers have published additional studies on brain size and intelligence， measured using MRI scan(核磁共振成像扫描).
For his study， McDaniel analyzed more than 20 studies that looked into the relationship between brain size and intelligence in a total of 1,530 people. The studies showed that on the average， people with larger brain volume tended to be more intelligent. The relationship between brain volume and intelligence was stronger in women than men， and in adults than in children. McDaniel notes in the journal Intelligence.
McDaniel is not sure why the relationship was stronger for adults and women. “Other research has shown that women， on the average， tend to have smaller brains than men， but score just as well—if not higher—in tests of intelligence，” he said.
McDaniel insisted that the relationship between brain size and intelligence is not a “perfect” one. “One can certainly find lots of examples of smaller-sized people who are highly intelligent，” he said， “But， on the average， the relationship holds.”
. What does the text mainly talk about？

A．MRI scans are applied to intelligence.

B．On the average， a bigger brain means higher IQ.

C．Dr McDaniel did well in his intelligence study.

D．Scientists are interested in Tiedmann’s idea.

By mentioning Albert Einstein， the writer wants to show　　　　.

A．Albert Einstein was intelligent

B．the result of intelligence test was false

C．being hard working is more important than intelligence

D．brain size doesn’t necessarily decide the level of intelligence

The underlined word “assertion” in Para. 3 probably means “　　　　”.
A. experiment B. statement C proof D. demand
After Frederich Tiedmann wrote his article，　　　　.

A．many scientists agreed with him

B．numerous studies have failed to prove his idea

C．MRI scan became popularly used

D．lots of researchers were interested in the connections between head size and intelligence

According to the text， Dr McDaniel’s study　　　　.

A．proves Tiedmann’s idea was completely true

B．shows women are smarter than men

C．involves many studies and a lot of people

D．explains why people with smaller brains are clever

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You can be proud of yourselves, even if you can only make one or two of these green changes. The goal here is to limit carbon dioxide and other greenhouse gases, which are closely associated to the big problem of global-warming.
Strategy 1: Bring your own cup to Starbucks
You’ll get a 10 cent discount, and it’s one less paper cup to end up in a landfill. While you’re there, pick up some free bags of spent coffee grounds to use as ‘‘green’’ fertilizer in your garden.
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Strategy2: Turn off your computer
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The payoff: Turning off a monitor for 40 hours a week may only save $5 a month, but it reduces CO2 by 750 pounds
Strategy 3: Reuse plastic bags
Instead of throwing away 100 billion plastic bags a year, try and get a second, third, or tenth use out of them. Better yet, next time you shop, try a reusable bag.
The payoff: You’re reducing pollution. The amount of oil it would take to make just 14 plastic bags would run your car for one mile.
Strategy4: Use recycled paper in the bathroom
Most of the toilet paper we use is made from trees found in forests previously untouched by humans.
The payoff: If every household replaced one roll of toilet paper with a recycled one, 424000 trees would still be standing. Look for eco-paper towels too.
Strategy5: Buy energy-efficient appliances（电器）
Replace the old fridge with an Energy Star appliance and you’ll use 15 percent less energy. It might be a little expensive to buy, but you’ll save money on your electricity bills and help the environment.
The payoff: If we all used one Energy Star appliance at home, it would be like planting 1. 7 million acres of new trees.
Strategy 6: Plant a tree
Adding green to your garden is beautiful and earth-pleasing.
The payoff: Just one tree will help make cleaner air and save the environment from 5000 pounds of hot carbon dioxide each year.
54. What is the best title for the passage?
A. Ways to save money at home
B. Ways to be earth-friendly
C. Ways to end global-warming
D. Ways to limit carbon dioxide
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A. They all help reduce the use of energy like electricity.
B. They all cut down the amount of the paper.
C. They all result in producing less greenhouse gases.
D. They all help to preserve our trees and forest.
56．Which strategies suggest recycling or reuse of things?
A．Strategies 1&3 B．Strategies 2&5
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Hair loss can be due to a variety of factors, including a genetic tendency (which is not genetically linked to just one parent—both parents contribute to the tendency to lose hair).
Women who are experiencing hair problems seem to have more limited choices than men. There are some female hair loss treatments that are available such as the Tricomin System which is a topical treatment that is nutrition based. Shen Min for Women is another natural treatment that contains herbs (药草) that are said to stimulate(刺激) hair growth and even restore hair that is graying to its natural color.
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第二部分阅读理解（共两节，满分 40分）
第一节（共15小题；每小题2分，满分30分）
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D. To provide information for Mollie Hunter's existing readers.

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