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我国PAR的空间分布与气温分布大致相同 只考虑PAR值，我国农业生产潜力最大的地区是甲地 青藏高原地区农作物单产高与其PAR高有关 我国PAR的空间分布与年降水量分布完全相反
people seldom have time to read newspaper articles people think the headlines contain the most important information people often get their opinions from newspapers or television most people look on newspapers or TV as misleading
it promotes family unity it helps them develop their speaking ability it affects their life in many ways it challenges society
RR和AR RR和PAR RR和AR% PAR和PAR% AR和AR%
on the average on the contrary on the spot on the whole
RR和PAR RR和PAR% RR和AR PAR和PAR% AR和PAR
more television films are produced man-made lighting has completely taken the place of natural light few films are taken for the cinema oil production has become more important than the film industry
Turn over Turn off Turn down Turn on
get on come on carry on bring on
more television films are produced man-made fighting has completely taken the place of natural light few films are taken for the cinema oil production has become more important than the film industry
AR和PAR RR AR AR％和PAR％ PAR
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