They may be small, and unable to have an adult conversation, but babies are proving their collective cleverness.

While your baby still might not be able to speak, he or she knows about you’re feeling down. Babies as young as 5 months of age can distinguish an exciting tune from a sad one, according to a study published in 2014 in the journal Neuron.

Speaking of music, it seems that babies can’t resist it. Not only are their ears sensitive to the beats, babies can actually dance in time to them, according to a study published in 2010. To test their dancing ability, the researchers played recordings of classical music and speech to them, and videotaped the results. The babies moved their arms, hands, legs, feet, and heads much more in response to the music than to speech. The findings suggest this dancing ability is innate(天生的) in humans.

Babies can apparently learn even while asleep. As newborn babies spend most of their time sleeping, this newfound ability might be crucial(至關(guān)重要的) for them to adapt rapidly to the world around them, and help ensure survival, the researchers say. The study was published in the journal Proceedings of the National Academy of Sciences.

Deciding whether another person is helpful or harmful is crucial in choosing friends — and that ability starts being visible early. Kiley Hamlin of Yale University showed both 6– and 10–month–olds some anthropomorphized(人格化的) shapes, in which one shape helped another climb a hill, while a third shaped pushed the climber down. The little ones then got to choose which shape they preferred. For both age groups, most babies chose the helper shapes. This character–judging ability could be the first step in the formation of morals, Hamlin says.

1.What does the third paragraph mainly say?

A. Babies are born to dance.

B. Babies prefer classical music.

C. Babies love listening to music.

D. Babies can tell different tunes apart.

2.What can be inferred from the passage?

A. Babies can understand emotions.

B. Babies value friendship very much.

C. It’s hard for babies to adapt to the world around them.

D. Babies show no reaction to speech.

3.Kiley Hamlin found that babies ________.

A. love to make friends

B. learn nothing while asleep

C. can tell right from wrong

D. like watching anthropomorphized shows

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2. 求助內(nèi)容;

3. 約定時(shí)間;

4. 你的聯(lián)系方式 (Email: lihua@1236. com; Phone: 12345678) 。

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Volunteers Wanted

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寫作要點(diǎn)：

1. 表示寫信意圖；

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詞數(shù)100左右。

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At one time, computers were expected largely to remove the need for paper copies of documents(文件) because they could be stored electronically. But for all the texts that are written, stored and sent electronically, a lot of them are still ending up on paper.

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Perhaps the best sign of how computer and Internet use pushes up demand for paper comes from the high-tech industry itself, which sees printing as one of its most promising new markets. Several Internet companies have been set up to help small businesses print quality documents from a computer. Earlier this week Hewlett-Packard Co. announced a plan to develop new technologies that will enable people to print even more so they can get a hard copy of a business document, a medical record or just a on-line e-mail, even if they are nowhere near a computer. As the company sees it, the more use of the Internet the greater demand for printers.

Does all this mean environmental concerns (環(huán)境問題) have been forgotten? Some activists suggest people have been led to believe that a lot of dangers to the environment have gone away.

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The action group has also found acceptable paper made from materials other than wood, such as agricultural waste.

1.The growing demand for paper in recent years is largely due to ________.

A．the rapid development of small businesses

B．the opening up of new markets

C．the printing of high quality copies

D．the increased use of the Internet

2.Environmentalists believe one possible way of dealing with the paper situation is ________.

A．to encourage printing more quality documents

B．to develop new printers using recycled paper

C．to find new materials for making paper

D．to plant more fast-growing trees

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A．people are concerned about the environment

B．printers in many offices are working overtime

C．small companies need more hard copies

D．they see a growing market for printers

4.What would be the best title for the text?

A．Computers and Printers

B. E-mail and the Business World

C. Internet Revolution and Environment

D. Modern Technology and New Markets

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