—What is the price of petrol these days?  —Oh,it ________ sharply since last month.
A.is raisedB.has risenC.has arisenD.is increased
B

試題分析:考查時(shí)態(tài)。本題的關(guān)鍵詞是后面的since last month,連詞since要與現(xiàn)在完成時(shí)連用。動(dòng)詞rise上升,上漲;arise不是出現(xiàn);句意:—這些日子汽油的價(jià)格怎么樣?—自從上個(gè)月以來(lái)汽油漲得很快!根據(jù)句意說(shuō)明B正確。
點(diǎn)評(píng):時(shí)態(tài)題的考查關(guān)鍵是抓住句子的上下文含義和句中的時(shí)間狀語(yǔ)。要根據(jù)時(shí)間狀語(yǔ)來(lái)選擇合適的時(shí)態(tài),在平時(shí)的學(xué)習(xí)中要注意積累有關(guān)時(shí)態(tài)的用法和各種時(shí)態(tài)的特殊之處。如since, so far等經(jīng)常與現(xiàn)在完成時(shí)連用。在條件狀語(yǔ)從句中用一般現(xiàn)在時(shí)代替將來(lái)時(shí)等等。
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