Question

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

Answer 1

D

試題分析：考查時(shí)態(tài)和介詞：時(shí)間是Up to now,時(shí)態(tài)是現(xiàn)在完成時(shí)，句意：價(jià)格最近一直在上升，到現(xiàn)在為止，石油價(jià)格已經(jīng)上升了20%。Increase by上升了。選D。
點(diǎn)評(píng)：試題的考查要根據(jù)上下文的語(yǔ)境和句子中的關(guān)鍵詞。本題就是根據(jù)上下文的語(yǔ)境來(lái)進(jìn)行辨析的。還有介詞by，可以表示相差了，reduce by減少了。