( D )

     People who have the habit of texting while walking tend to develop a robot-like posture and make themselves walk unsteadily and in danger of falling, according to a University of Queensland study. Researchers said that text-walkers are in danger of walking into traffic and train tracks. They suggest pedestrians(行人) stop aside, type a text and then continue walking once it is done.

      For the study, the researchers tracked(追踪) body movements of 26 young man and woman while walking in a straight line over a distance of approximately 8.5－once without a mobile phone, once while reading a text message and once while typing a message.

      They found that participants’ body movements were greatly changed when they used their posture was more prominent while sending a text than while reading a message. They further said that when those people began texting while walking, they slowed down their pace, went off course and moved their neck less than when reading a message.

      “We found that they walked with a posture that was robot-like, all in aid of keeping their body part.” researcher Siobhan Schabrun said, Daily Mail UK reports.

      In recent years, the number of pedestrian accidents is rising and texting has been blamed. Despite such repeated accidents, only few studies have analyzed the impact of texting on body language.

       Many US states have introduced laws on texting while driving, Fort Lee, a New Jersey town, went further ahead and recently fined some walkers an $85 for catching them texting. Many states in America have realized this question. More and more states in America will follow suit.

(1) The researchers carried out the study effectively by _________.
A. observing some pedestrians’ behavior in the street B. asking some volunteers to try texting while walking C. showing the pedestrians the potential danger of texting D. doing some asking-and-answering surveys among people
(2) What does the underlined word “prominent” in Paragraph3 probably mean?
A. Uncertain. B. Obvious. C. Doubtful D. Convincing.
(3) Why did pedestrians walk like a robot when texting?
A. To avoid losing their balance. B. To attract other people’s attention. C. To keep their eyes fixed on the phone. D. To take part in the study with the researchers.
(4) From the last paragraph, we can know that ___________.
A. more and more people will give up texting while walking B. People texting while driving will be fined $ 85 in America C. most states in America have made their laws for text-walker D. people texting while walking will be punished in more states of America