1. I think that if they use smart phone as leisure activities, they will have bad effect on their eyes and their mind.
2. The drawbacks of city life is the peaceful and clean air because of the vehicles.
3. I think that in the future there are cars but they are technological car, they wil fly and use solar energy.
4.The stereotypical image of the role of the mother in family, is that of the stay-at-home mom, one who does is not actively pursuing a career, but instead devotes all her time to taking care of her children and do all the housework . However, in the Modern world which we now live in, the roles which women play in households now have changed radically. In the past, the roles that a father had in the family was to be the sole breadwinner and work to earn money for the family, while his wife would stay at home and nurture the young. Nowadays, with the increased education among women, the role of the woman has changed, to sharing the burden of providing for the family with her husband.
5. We should tell them some behaviors and techniques like:
1, Exercise and eat regularly.
2, Get enough sleep and have a good sleep routine.
3, Avoid excess caffeine which can increase feelings of anxiety and agitation.
Chúc bạn học tốt!