Học tiếng Anh: ảnh hưởng c���a smartphone đến con người

Phần 1

Of the 7 billion people on Earth, roughly 6 billion own a …(1)…, which is pretty …(2)…, given that only 4.5 billion have access to a working …(3)… So how are these popular gadgets changing your body and brain?

If you're looking down at your phone right now, your spine angle is equivalent to that of an 8-year-old child sitting on your …(4)…, which is fairly significant considering people spend an average of 4.7 hours a day looking at their phone. This, combined with the …(5)…of time spent in front of …(6)…has led to an increase in the prevalence of myopia or nearsightedness in North America.

During the 1970s about 1/4 of the population had "myopia", where today, nearly half is doing; and in some parts of …(7)…, 80-90% of the population is now nearsighted.

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>>Xem lời giải phần 1

Từ mới:

spine: xương sống

prevalence: thịnh hành, hiện diện nhiều

myopia, nearsightedness: cận thị

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