9.In many high schools,there are strict rules about using mobile phones.If your phone rings in class,for example,the teacher will be very angry.
Every mobile phone has a ringtone(铃声).It tells you that someone is calling you.Now,there is a ringtone called"mosquitotone(蚊子铃声)".Using it,students can receive calls and text messages(短信) in class but the teacher will not realize what is happening.How?
Mosquitotone has a special sound.Only children and teenagers can hear it.As we get older,we are unable to hear some sounds with high frequencies(频率).As a result,a child or teenager can hear the mosquitotone ringtone,but it's inaudible tosomeone who is 20or older.
But sometimes,people over 20can hear the ringtone.One British student's phone uses mosquitotone.In class,the student's phone rang.The 32-year-old teacher looked at the student and became unhappy."I heard that.You know the rule:no mobile phone in class."
Not all the students are interested in mosquitotone.Jerry Jones,a high school student of 17,says,"Using mosquitotone too often is bad for our hearing.I may use it for pleasure,but not in class. It's unfair to the teachers!"
What do parents think of mosquitotone?"I think it is perfect for places like movie theaters."says Connie Neeson,44."Think about it.You're watching a film and someone's mobile phone rings.Mosquitotone is good because many people don't hear it.However,it also has a bad influence on their study if students use it in class."
66.Mosquitotone works becauseD.
A.it is very loud
B.it has no sound
C.it has a beautiful sound
D.it uses high frequencies
67.The underlined part"it's inaudible to"in Paragraph 3means"B".
A.it can't be seen by
B.it can't be heard by
C.it isn't popular with
D.it isn't healthy for
68.The 32-year-old teacher felt unhappy because the studentD.
A.was late for class
B.didn't do his homework
C.couldn't answer her question
D.was using a mobile phone in class
69.The underlined word"It"in Paragraph 5refers toA.
A.Using mosquitotone in class
B.Using mosquitotone for pleasure
C.Using mosquitotone in public places
D.Using mosquitotone too often
70.Connie Neeson thinks that mosquitontoneC.
A.has no bad influence
B.is unfair to the teacher
C.has its advantage and disadvantage
D.can't be used in any public place.
分析 本文属于教育类的短文阅读.主要描述的是在课堂上禁止学生使用手机.学生在课堂上使用手机是对老师的不尊重,同时又针对蚊子手机铃声进行了评价.
解答 66-70 DBDAC
66:D.细节理解题.本文第二段倒数第二句为As we get older,we are unable to hear some sounds with high frequencies (频率).,所表示的含义为随着岁数的变大,我们不能够听到高频率的声音,故本题选D.
67:B.词意猜测题.本文第二段最后一句为As a result,a child or teenager can hear the mosquitotone ringtone,but it's_inaudible_to someone 20 or older.所表示的含义为儿童能听到蚊子铃声,但是20岁以上就难以听见,故本题选B.
68:D.细节理解题.本文第三段第二行有两句为the student's phone rang.The 32yearold teacher looked at the student and became unhappy.所表示的含义为学生在课堂上使用手机,老师感到不开心,故本题选D.
69:A.代词指代题.根据本段中Using mosquitotone too often is bad for our hearing.I may use it for pleasure,but not in class. It's unfair to the teachers!"可知,it指的是Using mosquitotone too often,在课堂上使用手机频繁这一问题;故选A.
70:C.推理判断题.根据文中内容的描述可知,本文最后一句话的含义为蚊子铃声有它的好处和不好处,故本题选C.
点评 做本题时,首先要快速浏览全文,把握文章的主旨大意,理清作者的写作思路;然后结合上下文,逐句分析,并正确理解每一句话的意思;最后结合选项意思,找到符合文意的选项.