【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：許多國家承諾減少溫室氣體的排放，但是還沒有達到1990年減排25%到40%的目標。A. target目標；B. option選項；C. profit利益；D. refund退款。通過reduction of 25 to 40 percent of 1990 levels可知每個國家曾經(jīng)設立了減排目標，所以用target(目標)來滿足句意。故此題選A。

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