小學(xué)綜合英語(yǔ)4A Unit 3

Unit 3
[00:46.32]Two-way radions
[00:50.76]1 -Shall we buy two-way radios?
[00:57.13]Policemen and soldiers talk to one another on them.-That's a good idea.
[01:04.08]2 The children went to a radio shop.-Do you have any two-way radios?
[01:12.72]The salesman showed them some.He gave a radio to Patsy,and one to Peter.
[01:21.87]3 -Now you and your friend can talk to each other.
[01:28.95]4 Peter went outside. He pressed the CALL button on his radio.
[01:37.91]Patsy pressed the RECEIVE button on her radio.Peter spoke into his radio.
[01:47.05]Patsy heard Peter's voice.She pressed the CALL button on her radio.
[01:56.79]5 -This is Peter!Can you hear me?Over. -I can hear you.
[02:05.15]6 The chikdren wanted the radions but they were expensive.
[02:13.09]-We can't buy them today.
[02:16.75]Sally Structure
[02:24.12]A hear-heard
[02:32.63]speak-spoke
[02:38.20]give-gave
[02:43.47]go-went
[02:48.65]B Soldiers can talk to one another on the radio.
[02:58.18]Policemen can talk to one another on the telephone.
[03:05.63]Peter and Patsy can see each other through the window.
[03:12.99]John and Annie can see each other through the window.
[03:20.07]Conversation
[03:25.43]John went into a different shop.He wanted a cheap radio.
[03:32.69]John:Do you have any cheap radios?
[03:36.76]Salesman:Yes.
[03:40.21]John:Can my friends and I speak to one an-other on them?
[03:44.89]Salesman:Oh no.They're not two-way radios.You can only listen to them.
[03:53.35]John:Oh,I don't want a one-way radio.I have one of those.