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必修4《Lesson 4 Advertisements》集体备课PPT课件优质课下载
What is it?
ball holder
Read the text and find out advantages of each gadget
1) have no ________
2) can listen to the programmes while _______;
3) can listen to the music ___ ____ ____;
4) can listen to ______ /TV up to ______ metres away;
5) signals ____ ______ glass, doors and walls;
6)_____ _______ sound;
7) _________value at _______
wires
walking
in the bath
radio
60
go through
top quality
excellent
Remote Headphones
Read and find out advantages
? 80.45
Mini camera
1) no ______ than a credit card;
2) _____ to use;
3) has an __________ focus and flash;