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Nearly 2.4 billion people around the world used a smartphone in 2017. By the end of 2018, more than a third of the global population will be using smartphones. Those numbers --- from Mobile Marketing Magazine --- sound great, don’t they? More people will have more information at their fingertips. (A)__________, smartphone technology can be a double-edged sword (双刃剑).

On one hand, it sends us endless information. We don’t have the latest news from family, friends and around the world.

On the other hard, this immediate way to information may become an addiction (瘾). And ①它可能会让一些人感到孤独、忧虑和压力。

These findings are from a 2018 study from San Francisco State University and have been published in Neuro Regulation.

Erik Peper and Richard Harvey are both health education professors at the university. They led the study.

The two professors asked 135 university students about their smartphone use and their feelings. They found that “students who used their phones the most reported higher levels of feeling—lonely, stressed and worried.”

But Erik Peper suggests to turn off push notifications (推送提醒) and other such alerts on our phones.

The researchers also tell people to take control of when and where you answer a text, a message or an email. You do not need to answer them all. And ③answer, don’t, as, to, them, soon, you, get, as, them, you, need, .

They also think people should set limits on the time you spend (B)__________ smartphones. If you want to catch up with friends on Facebook or WeChat, set aside a small amount of time to it. Schedule periods of the day to focus on important tasks and do not allow technology to take up your time.

1.请在文中(A)(B)两处各填入一个恰当的单词,使文章完整。

(A) ____________________ (B) ____________________

2.Why does the writer think smartphone technology can be a double-edged sword?

____________________________________________________________________________________________

3.请将文中①处画线句子译成英语。

____________________________________________________________________________________________

4.找出②处画线句子的一处错误,并改正。

____________________________________________________________________________________________

5.将文中③处画线部分连词成句。

____________________________________________________________________________________________

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