【題目】Many nations have promised to reduce greenhouse gas emissions, but are falling short of the ________ reduction of 25 to 40 percent of 1990 levels.

A.targetB.optionC.profitD.refund

【答案】A

【解析】

考查名詞詞義辨析。句意：許多國(guó)家承諾減少溫室氣體的排放，但是還沒(méi)有達(dá)到1990年減排25%到40%的目標(biāo)。A. target目標(biāo)；B. option選項(xiàng)；C. profit利益；D. refund退款。通過(guò)reduction of 25 to 40 percent of 1990 levels可知每個(gè)國(guó)家曾經(jīng)設(shè)立了減排目標(biāo)，所以用target(目標(biāo))來(lái)滿足句意。故此題選A。

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