???????11??????21?????????? (????? ??????????????)?21????????????,?,??????????????????????????????????

???????????????????????“??????????”????????,????????????????????????“????,???????????????????????”???,???“???????????,??”

?,????,????????“?????????????,???”??????????????????????????????????????,?,????????????????,??,???

???????????,??????????????,????????,“????????????????”??????“??”???????????????????????,???????????????????,????“????????”?????

11?????????????21?????????,??????????????????????????? ??????????????? ?

?,???,?????????????????????????????“?????????”“??????????????”,?????????“??”,“???”????????????“????????”?

????????,??,“??????????????”“??????????????”“??”?????????

“????,???????????????????????”????????????????“???????”,???????????????,?????????????????????,?????????,??????,????????

11??????????????????????????21???????????????????????????????,????????????????? ???????????????? ????????????

?????????,??????????????,?????????????????,????????????,??????????

?????,“????????????????????,??????????????????????????????????????????????,?????????????”????,???????,????????,??“????????????”??(????)

???:??????? “??????????”_????

?? ????:????????????????

????:1???????????:???????????

2???????app

3?????ppt

4?????????

5????????

???????11??????21?????????? (????? ??????????????)?21????????????,?,??????????????????????????????????

???????????????????????“??????????”????????,????????????????????????“????,???????????????????????”???,???“???????????,??”

?,????,????????“?????????????,???”??????????????????????????????????????,?,????????????????,??,???

???????????,??????????????,????????,“????????????????”??????“??”???????????????????????,???????????????????,????“????????”?????

11?????????????21?????????,??????????????????????????? ??????????????? ?

?,???,?????????????????????????????“?????????”“??????????????”,?????????“??”,“???”????????????“????????”?

????????,??,“??????????????”“??????????????”“??”?????????

“????,???????????????????????”????????????????“???????”,???????????????,?????????????????????,?????????,??????,????????

11??????????????????????????21???????????????????????????????,????????????????? ???????????????? ????????????

?????????,??????????????,?????????????????,????????????,??????????

?????,“????????????????????,??????????????????????????????????????????????,?????????????”????,???????,????????,??“????????????”??(????)

???:???????