单选题. Questions 19 to 21 are based on the passage you have just heard.4.
单选题Competition makes losers as well as winners.This fact makes a simple rule for judging when it is useful to society and when it is dangerous.Can we afford to look after the losers?They are not going to
单选题. Questions 1 and 2 are based on the news report you have just heard.1.
单选题《复合题被拆开情况》 Telecommuters fall into two camps. Some sit on the sofa watching daytime soaps, pausing occasionally to check their cell phones. Most, however, do real work, undistracted by meetings and ta
单选题. Questions 16 to 18 are based on the passage you have just heard.1.
单选题. Questions 3 and 4 are based on the news report you have just heard.3.
单选题[此试题无题干]
单选题. Questions 8 to 11 are based on the conversation you have just heard.1.
单选题《复合题被拆开情况》 Academic dishonesty is nothing new. As long as there have been homework assignments and tests, there have been cheaters. The way that cheating looks has changed over time, though, particula
单选题Universal Health Care，Worldwide，Is Within ReachA By many measures the world has never been in better health.Since 2000 the number of children who die before they are five has fallen by almost half，t0
单选题7. Evidence has been found through years of study ______ children's early sleeping problems are likely to continue when they grow up.
单选题7.