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Scientists have advanced many theories about why human beings cry tears, none of _________ has been proved.

A. whom B. which

C. what D. that

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閱讀理解。

A scientist working at her lab bench and a six-month-old baby playing with his food might seem to have little in common.After all,the scientist is engaged in serious research to uncover the very nature of the physical world,and the baby is,well, just playing…right?Perhaps,but some developmental psychologists(心理學家)have argued that this“play”is more like a scientific investigation than one might think.

Take a closer look at the baby playing at the table.Each time the bowl of rice is pushed over the table edge,itfalls to the ground—and, in the process, it brings out important evidence about how physical objects interact (相互作用); bowls of rice do not float in mid-air, but require support to remain stable. It is likely that babies are not born knowing this basic fact of the universe; nor are they ever clearly taught it. Instead, babies may form an understanding of object support through repeated experiments and then build on this knowledge to learn even more about how objects interact. Though their ranges and tools differ, the baby’s investigation and the scientist’s experiment appear to share the same aim(to learn about the natural world), overall approach (gathering direct evidence from the world), and logic (are my observations what I expected?).

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Viewing childhood development as a scientific investigation throws light on how children learn,but it also offers an inspiring look at science and scientists. Why do young children and scientists seem to be so much alike? Psychologists have suggested that science as an effort—the desire to explore, explain, and understand our world—is simply something that comes from our babyhood. Perhaps evolution (進化) provided human babies with curiosity and a natural drive to explain their worlds, and adult scientists simply make use of the same drive that served them as children. The same cognitive (認知的) systems that make young children feel good about figuring something out may have been adopted by adult scientists. As some psychologists put it,”It is not that children are little scientists but that scientists are big children.”

1.According to some developmental psychologists, .

A. a baby’s play is nothing more than a game.

B. scientific research into babies’ games is possible

C. the nature of babies’ play has been thoroughly investigated

D. a baby’s play is somehow similar to a scientist’s experiment

2.We learn from Paragraph 2 that .

A. scientists and babies seem to observe the world differently

B. scientists and babies often interact with each other

C. babies are born with the knowledge of object support

D. babies seem to collect evidence just as scientists do

3.Children may learn the rules of language by .

A. exploring the physical world B. investigating human psychology

C. repeating their own experiments D. observing their parents’ behaviors

4.What is themain idea of the last paragraph?

A. The world may be more clearly explained through children’s play.

B. Studying babies’ play may lead to a better understanding of science.

C. Children may have greater ability to figure out things than scientists.

D. One’s drive for scientific research may become stronger as he grows.

5.What is the author’s tone when he discusses the connection between scientists’ research and babies’ play?

A. Convincing. B. Confused.

C. Confident. D. Cautious.

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閱讀短文,并按照題目要求用英語回答問題。

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4.What is the meaning of the underlined part in Paragraph 4? (No more than 5 words)

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根據短文內容,從短文后的選項中選出能填入空白處的最佳選項。選項中有兩項為多余選項。

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