香港寵物小精靈村落 論壇

標題: bio [打印本頁]

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作者: 碧咸    時間: 16/10/2005 02:08 PM
標題: bio
我有題bio想問下

Which  of the following statements is correct ?
    A.  A cloudy lens forms dim images.
    B.  Defects in cones result in night blindness.
    C.  A long-sighted person cann't see distant objects clearly.
    D.  If a person cann't distinguish colours at night time, he suffers from
    colour blindness.

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作者: 細薯    時間: 1/12/2005 03:38 PM
雖然係舊post，不過都解答下啦...

Which  of the following statements is correct ?
    A.  A cloudy lens forms dim images.
    B.  Defects in cones result in night blindness.
    C.  A long-sighted person cann't see distant objects clearly.
    D.  If a person cann't distinguish colours at night time, he suffers from
    colour blindness.

A is correct.
B.  Defects in rods result in night blindness.
C.  A long-sighted person cann't see near objects clearly.
D.  If a person cann't distinguish colours at night time, he suffers from
    night blindness.

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