Module4GreatScientistsⅠ
单项填空1.Uptonow,largequantitiesoffood________toAfricatosavethestarvingpeople
A.issentB.hasbeensentC.havebeensentD.aresent答案C[句意:到目前为止,已有大量的粮食被送往非洲以拯救饥民
uptonow通常“与现在完成时连用;largequantitiesof”+名词作主语时,谓语动词往往用复数形式
]2.Chinahasachievedamarvelousbreakthroughinthepastfewyears,________secondintheworldmarket
A.rankingB.rankedC.havingrankedD.torank答案A[句意:中国在过去的几年中取得了巨大的突破,在世界市场中名列第二
rankingsecondintheworldmarket是现在分词短语,在句中作结果状语
]3.(·长春模拟)I________himintime,otherwisehewouldhavefallenoffthebike
A.hadsupportedB.supportedC.havesupportedD.support答案B[考查动词的时态
句意:我及时扶住了他,不然的话,他会从自行车上掉下来
“由后半句中的wouldhavefallen”可知,此处应用一般过去时
]4—.Howdoyoudealwiththedisagreementbetweenthecompanyandthecustomers
—Thekey________theproblemistomeetthedemand________bythecustomers
A.tosolving;makingB.tosolving;madeC