It can be inferred from the last two paragraphs that __

A．well-being can be affected if one actively uses Facebook

B．subjects' mood changed when they messaged others through Facebook

C．using Facebook is bad for well-being when people graze its content

D．it's good for people to post their idealized lives on Facebook

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参考答案

答案解析

推断题。根据题干关键词定位到最后两段。由there is no effect on well．being if one “actively” uses Facebook可知A项错误。由When subjects…messaging others，their mood stayed the same…可知B项错误。由最后一句可知D项错误。最后一段提到Using Facebook is not bad for well．being per se…but“grazing”its content is。因此，正确答案是C。

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1 Which of the following can best summarize the main idea of the text?

A．Social network has negative impact on well-being.

B．Facebook is bad for users' in-the-moment mood.

C．Whether people can actively use social network.

D．Whether Facebook will make you sad depends on how you use it.

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2 Questions are based on the following passage.
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What is more, Hispanics are becoming key economic players. Most people don´t notice it, but Latinos born in Arizona make up much of their immigrant parents´ economic and educational deficits. For example, second-generation Mexican-Americans secure an average of 12 grades of schooling where their parents obtained less than nine. That means they erase 70 percent of their parents´ lag behind third-generation non-Hispanic Whites in a single generation.
All of this hands the state a golden opportunity. At a time when many states will struggle with labour shortages because of modest population growth, Arizona has a priceless chance to build a populous, hardworking and skilled workforce on which to base future prosperity. The problem is that Arizona and its Latino residents may not be able to seize this opportunity. Far too many of Ari-zona´s Latinos drop out of high school or fail to obtain the basic education needed for more ad- vanced study. As a result, educational deficits are holding back many Latinos--and the state as well.
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The Latino population is changing Arizona´s _____

A．aging problem

B．educational system

C．economic structure

D．financial deficits

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3 What can be inferred from the third paragraph?

A．The Latino population in Arizona is made up of Hispanics and Mexican-Americans.

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C．70 percent of the first-generation Latinos had less schooling than nine years.

D．The educational system used to be in favour of the non-Hispanic Whites.

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