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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 (鈴聲). It tells you that someone is calling you. Now，there is a ringtone called “mosquitotone (蚊子鈴聲)”. 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 (頻率). As a result，a child or teenager can hear the mosquitotone ringtone, but it’s_inaudible_to someone 20 or older.

But sometimes，people over 20 can hear the ringtone. One British student’s phone uses mosquitotone. In class，the student’s phone rang. The 32­year­old 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. Yon’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.”

1.Mosquitotone works because ________.

A. it is very loud                  B. it has no sound

C. it has a beautiful sound         D. it uses high frequencies

2.The under lined part “it’s_inaudible_to” means “________”．

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

3.The 32­year­old teacher felt unhappy because the student ________.

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

4.Connie Neeson thinks that mosquitotone ________.

A. has no bad influence             B. is unfair to the teachers

C. has its advantage and disadvantage  D. can’t be used in any public place

I can help him ______his English.

--Can I help you?

--I'd like a cup of coffee ________ milk ________ it，please．

A．at；in           B．with；in         C．with；on          D．at；on

補全對話

A．What a good boy! We should go to see him after class.

B．Do you know where he is?

C．What happened then?

D．Why are you so angry?

E．What should you do if you see an accident?

F．Why? Did she lose her way?

G．He is hurt badly. His left leg is broken.

（T：Teacher　　 L：Li Ming）

T: Who is on duty today?

L:I am.

T: Is everyone here today?

L: No. Wang Tao isn't here.

T: 1 .

L: Yes. He is in hospital now.

T: In hospital? What's wrong with him?

L: 2 .

T: How did he have the accident?

L: In fact he wanted to do a good thing. Wang Tao and I went to the library yesterday. When we were walking, we saw a young girl crying beside the road.

T. 3 .

L: No. Her kite was in a tree. She couldn't get it down.

T. So you helped her get the kite back.

L: Yes. Wang Tao climbed up the tree slowly. At last, he held the kite. When he was climbing down, suddenly there was a strong wind.

T: 4 .

L: Then Wang Tao fell off the tree. His leg is hurt badly. But at that time he still remembered the girl's kite and gave it to her. Then I called an ambulance to take him to the hospital.

T: 5 .

L: OK. I'd like to see him with you together.