53.Why is it possible that children know more than their parents do?

　　A.Because children have better memories.

　　B. Because children have more ways to get information

　　C. Because their parents refuse to accept new things

　　54.What does Wu think of the phenomenon (现象)that kids teach parents?

　　A. There is no need for parents to learn new technology.

　　B. Parents are supposed to learn new technology by themselves .

　　C. Children should teach their parents new technology to make communication convenient

　　55. We can infer (推断)from the passage that

　　A. it's never too old to learn

　　B. a11's we11 that ends we11

　　C. a good beginning is half done

　　C

　　With time,everything changes. So do magazine covers.The following are three of the most popular magazines in the U.S. Let's take a look at how their covers have changed over the past centuries.

　　◆ Time

　　Time is best known for its red border (镶边). The cover photos and designs are almost the same for ages — a photo of a famous person with bold (粗体) text to draw your attention. The cover continues to feature (以……为特色) America's icons year after year— from presidents to pop stars.

　　◆National Geographic

　　Being around for more than a century，the design of National Geographic ，especially of the cover，has gone through many changes. The magazine is perhaps best known for its amazing photography — yet it wasn't shaped until the 1960s. It has also done a GREat job designing its famous yellow border.

　　◆Seventeen

　　The Seventeen logo(标识) has stayed the same，but almost every else about the design has changed.There was a time when the cover was simple. And then things just got more and more cluttered (杂乱).The magazine cover's job is to sell the magazine —it has 10 stand out from the others. So the design starts to get louder and louder.But honestly，you might get a bit of a headache when you look at the Seventeen covers for too long

　　56. What does the underlined word “icons” in this passage mean in Chinese?

　　A. 轶事 B. 时政 C. 偶像