2014
高考英语单项选择基础精品训练题（7）及答案 《2013黄浦区》section a directions: beneath each of the following sentences there are four choices marked a, b, c and d. choose the one answer that best completes the sentence. 25. cars do cause people some health problems, in fact far more serious _____ than computers do. a. one b. ones c. it d. those 26. it is known to all that the us is about the same size as china, but its population is five times _____.
