Prices are always rising these days. Up to now, the petrol price _______ 20%.

A.increased by                           B.increased to

C.has increased to                        D.has increased by

 

【答案】

D

【解析】

試題分析:考查時態(tài)和介詞:時間是Up to now,時態(tài)是現(xiàn)在完成時,句意:價格最近一直在上升,到現(xiàn)在為止,石油價格已經(jīng)上升了20%。Increase by上升了。選D。

考點:考查時態(tài)和介詞

點評:試題的考查要根據(jù)上下文的語境和句子中的關鍵詞。本題就是根據(jù)上下文的語境來進行辨析的。還有介詞by,可以表示相差了,reduce by減少了。

 

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