31.　 If we know more about what causes endangerment, we may be able to take m____________ before it is too late.

30.　 They started to use English, but they also b ________ in some words from their own languages.

29.　 If they s__________, they believe that humans and machines can live together like friends in the future.

28.　 An electronic calendar that will 　r__________ you about appointments and important dates.

27.　 The latest cellphones have f____________ such as games, music and an electronic calendar.

26.　 Cellphones have changed our b______________ and how we communicate.

25.　 Having a cellphone also makes us feel safer, since we can call for help in case of an

e___________.

24.　 New f___________ are being added to the phones

23.　 The Olympic m__________ is “Faster, Higher, Stronger”.

22.　 hat will be done in p ____________ for the 2008 Olympic Games in Beijing?