Are smartphones a useful tool or a distraction (分心)? Two groups of students talk about both sides of smartphone use.Group A: Everyone knows that smartphones can be useful at times, but I believe they lead to many problems. First, they maycause (導致) danger when they are used on the road. A lot of car accidents happen because ____31.____. Second, students might playon their phones and not listen to the teachers. Besides, many students are nearsighted because of their overuse of smartphones.       Group B: Smartphones may lead to some problems because people don’t really use them correctly. In fact, they do a lot moregood than bad. It’s convenient for people to use them to call others at any time. This can be important if ____32.____. They can alsobe a good tool for students at school. For example, students can use smartphones to look up a word when they don’t have a dictionaryat hand. They can even take notes with their phones.
【題組】31.
(A) using smartphones for too long have hurt the drivers’ sight
(B) many people are crazy drivers
(C) people are too focus on the phone to notice the traffic
(D) the google map of the smartphone shows the drivers the wrong way