2009 Shanghai Question 75 Single-choice Differentiating 2009_上海卷 (英语) 75. Which of the following can best summarize the main idea of the passage? A. With no Retriever, thousands of laptops are stolen every year.B. A new soft ware provides a means to reduce laptop theft.C. Retriever has helped to find thieves and lost computers.D. A new program offers a communication platform with the thief. Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →