What is NOT true of the effectiveness ofsunscree
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What is NOT true of the effectiveness of"sunscreen",according to the last paragraph?
A.It deflects sunlight reaching the Earth to counteract the warming.
B.It blocks the incident energy in the sun’s rays.
C.It is a controversial method.
D.It decreases greenhouse gases in the atmosphere.
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答案：D
题干意思为：根据最后一段，对于遮光剂的有效性的表述，哪一句是错误的？D选项It decreases greenhouse gases in the atmosphere（减少大气层温室气体排放）正好与该方法冲突，所以该项不正确。