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

A

解析試題分析:考查名詞詞義辨析。A目標;B選擇;C利潤;D償還資金,償還數(shù)額;句意:很多國家都允諾減少溫室氣體的排放,但是排放的目標下降了百分之25到40.根據(jù)句意說明A正確。
考點:考查名詞詞義辨析
點評:詞義辨析題在高考中有所涉及,每年的趨勢不盡相同。對于詞義辨析題目,首先可以從句意著手,看懂句意是解答此類題目的關鍵,其次四個選項的意思也要了如指掌。這對于平時學生的學習仔細度提出了要求,學生在平時的學習中要勤積累,多記憶,多查字典,以便在考試時能夠迅速準確的答出。

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