Thanks to the economical development, workers' wages have increased ________ as far as 200% in the recent three years.
A．forB．toC．upD．by
D

試題分析：考查介詞的用法。increase by “凈增了,以…比率增長”,類似的表達(dá) grow by, rise by等...，而如果是“增加到”則用increase to ,grow to, rise to.句意：多虧了經(jīng)濟(jì)的發(fā)展，工人的工資在近三年已經(jīng)增長了高達(dá)200%。
點(diǎn)評：英語中表達(dá)“增加或減少了多少的幅度”用介詞by+比率。如：price was reduced by 18 per cent.價(jià)格降低了百分之十八。而如果是“增加/減少到”則用increase /grow /rise /reduce to.
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