A.come out | B.work out | C.go off | D.turn off |
A.the Packet | B.the Cobalto |
C.the Human-body Phone | D.the Paper Phone |
A.the Packet has five touch screens with different usages. |
B.the Cobalto has been used in the phone market for ten years. |
C.the Paper Phone is easy to break, but difficult to make calls. |
D.talking on the Human-body phone makes people annoyed easily. |
A.The importance of Mobile Phones |
B.The future of Mobile Phones |
C.The changes of Mobile Phones |
D.The difference of Mobile Phones |