【題目】The e-commerce_____ production and consumption, and is promoting the development of the service sector.

A.has influencedB.influencedC.is influencingD.is influenced

【答案】A

【解析】

考查現(xiàn)在完成時(shí)。句意:電子商務(wù)已經(jīng)影響了生產(chǎn)和消費(fèi),并且正在促進(jìn)服務(wù)業(yè)的發(fā)展。結(jié)合句意可知,電子商務(wù)影響生產(chǎn)和消費(fèi)的動(dòng)作已經(jīng)發(fā)生,故用現(xiàn)在完成時(shí),主語(yǔ)The e-commerce是不可數(shù)名詞,故用has influenced。故選A項(xiàng)。

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