【简答题】完型填空。 A man and his wife arrived in Boston by train.After getting off the train, they walked without an 1 into the outer office of Harvard’s president.So they were stopped by his secretary and kept 2 ...
【简答题】完型填空。 All hope was not lost. Soon after the quakes, the army sent 150'000 1 to Tangshan to help the rescue workers. Hundreds of thousands of people were 2 . The army organized teams to dig out those w...
【单选题】Most consumers are familiar with bar codes. Those black-and-white stripes appear on almost every product purchased. Often the codes are scanned at the checkout counter, causing the item name and its p...
【简答题】完型填空。 My son was badly hurt in a fire. After he 1 from a series of treatments, the doctors told him they would not do any operation for six months 2 it took long for the skin to stop shrinking (收缩). S...