Module 4 Great Scientists Ⅰ
单项填空1.Up to now,large quantities of food ________ to Africa to save the starving people
A.is sent B.has been sentC.have been sent D.are sent答案 C [句意:到目前为止,已经有大量的粮食被送往非洲以拯救饥民
up to now 一般与目前完毕时连用;“large quantities of+名词”作主语时,谓语动词往往用复数形式
]2 . China has achieved a marvelous breakthrough in the past few years,________ second in the world market
A.ranking B.rankedC.having ranked D.to rank答案 A [句意:中国在过去的几年中获得了巨大的突破,在世界市场中名列第二
ranking second in the world market 是目前分词短语,在句中作成果状语
]3.(·长春模拟)I ________ him in time,otherwise he would have fallen off the bike
A.had supported B.supportedC.have supported D.support答案 B [考察动词的时态
句意:我及时扶住了他,否则的话,他会从自行车上掉下来
由后半句中的“would have fallen”可知,此处应用一般过去时
]4.—How do you deal with the disagreement between the company and the customers
—The ke