1. dian hua   telefax, fax   radio   computer   telephone   Hint Half-n-half Clue   2. shou yin ji   radio   computer   postcard   microphone   Half-n-half Clue   3. hua tong   microphone   newspaper   courier, messenger, speed post   advertisement   Half-n-half Clue   4. [an;guang] gao   television   courier, messenger, speed post   microphone   advertisement   Half-n-half Clue   5. [chuan;zhuan] xun zhe ，xin shi ，su [du;duo] gang wei   courier, messenger, speed post   telefax, fax   video   tape recorder   Half-n-half Clue   6. ji suan ji   telephone   computer   parcel   post office   Half-n-half Clue   7. lu yin ji   television   advertisement   tape recorder   postcard   Half-n-half Clue