A.acquke the lost survival skills
B.escape from industrial society
C.enjoy beautiful natural scenery
D.explore the woods in the frontier
A.they cannot use cell phones
B.they can realize their dreams
C.mey stay far away from home
D.they are trmned to be stronger
A.aware of governing themselves
B.skilled in social communication
C.good at using electronic devices
D.short of the attention from adults
A.curious
B.pleasant
C.relieved
D.worried