解析　细节理解题。本题针对文章前三段的内容，也就是论述freeWi­Fi为人们生活带来的便捷。A项源于第一段内容，B项源于第二段内容，D项源于第三段内容。而选项C来自第三段原文："Today, people will never forget to pack their smart phones, tablets and laptops into the suitcase，"said the Daily Mail."We rely on free Wi­Fi heavily when traveling..."。

2.Through the fourth paragraph, the author intends to_________.

A.show a different opinion on the topic

B.give more evidence to the view mentioned

C.get into another topic

D.summarize the previous paragraphs

答案　A

解析　推理判断题。第四段出现关键词："However"，文章转向另外一个议论角度：free Wi­Fi的缺点。

3.What has AnitaIsalska realized in Greenland?

A.Travelers cannot survive without Hi­Tech.

B.Her fingers are not flexible enough to take enough pictures.

C.Taking pictures doesn't affect appreciating nature.

D.Her over­reliance on technology has come at a price.

答案　D

解析　细节理解题。对于A选项，AnitaIsalska的经历说明没有高科技的生活是可能的。B和C选项的错误来源于对"I had believed I was capturing(捕捉) moments, but in reality my busy fingers were preventing me from enjoying travel's deepest pleasures. How fully can you appreciate a huge glacier or wild flowers when your brain is selecting the right photo filter (滤镜) or the perfect six seconds to take photos？"这段话的理解，即高科技分散了旅行者欣赏自然美景的精力。由第四段第一句和第五段可知D项正确。

The crisis at Japan's Fukushima Dai­Ichi nuclear energy center has raised questions about