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[00:00.58]Module 7                                           
[00:02.30]Unit 1 He can't see.                                       
[00:07.19]Ò»¡¢Listen and number.ÌýÒ»Ìý£¬ÅÅÒ»ÅÅ¡£ 
[00:15.11]1.W: The dog can help the  firefighters.                       
[00:28.44]2.M: The dog can help the deaf.                                                     
[00:38.11]3.W: Here is your dinner, hot dogs.   
[00:49.38]4.M: There is a TV show about dogs.                                           
[01:01.91]5.W: The dog can help the blind.