the bridge 48
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2349 4212 / 2349 27722348 3968Website http://www.studenthealth.gov.hk
English version is available on our website.
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2008106)
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UV-ultra-violet light
()
(:http://www.hko.gov.hk/wxinfo/uvindex/chinese/cwhatisuv.htm)
AB CABCC
BAB
A B C () 315 400 280315 100280
A
A B
( 1 = 0.000000001 1x10-9 )
(:http://www.hko.gov.hk/wxinfo/uvindex/chinese/cwhatisuv.htm)
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(2007
http://www.hko.gov.hk/wxinfo/uvindex/chinese/uvi_c.pdf)
1011
(http://www.hko.gov.hk/wxinfo/uvindex/chinese/cwhatisUVI.htm#)
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(World Health Organization, WHO) 1.2 1.5()(3)(http://www.who.int/uv/health/en/)
99100ABUV400UV400400AB
10-30% 10%
()()
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UV400
A B UV400(1878200)
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:E
for protect ing our e y e s , w e s h o u l d not look at the sun directly, even wearing sunglasses
Game Over
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639
we should use sunglasses in sunny days
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3030455http://www.studenthealth.gov.hk/tc_chi/health/health_ev/health_ev_nea.html
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1 40
A.
B. C.
D. E.
AAAAAAA
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