帮忙翻译成限制性定语从句 1， 人口过剩

帮忙翻译成限制性定语从句 1， 人口过剩

1.人口过剩和淡水短缺是当今人们面临的两大棘手(thorny) 问题。
the population surplus and the fresh water shortage are two difficult (thorny) problems that people are facing today.
2， 传统学校提供一些文化和体育活动，这些是在家接受教育(home-schooled)的孩子将会错失的东西。
traditional schools offer a number of cultural and sports activities, which are the things that children in the home receive education (home-schooled) will miss.
3， 你昨天在校园里遇到的人来自英国。
you met in the campus yesterday from the people of the United kingdom.
4， 昨天让我唯一开心的事就是遇见我的老朋友。
the only thing that made me happy yesterday is to meet my old friend.
5， 我们在乡下见的那些勤劳的农民和他们的幸福生活真是令人印象深刻。
we are in the countryside to see those hard-working farmers and their happy life is really impressive.
6，我更愿意和那些与我分享快乐和悲伤的人交朋友。
I would like to make friends with those who share my happiness and sadness with me.
7，我支持兴建一座现代化体育馆的理由是，体育课对学生们的健康非常重要。
I support the construction of a modern stadium on the grounds that physical education is very important to the health of the students.
8， 我之所以持有这个观点是有很多原因的。
there are many reasons why I hold this opinion.
9， 有想象力的人通常会有很多有创意的想法。
there are usually a lot of creative people who have creative ideas.
10, 50年前的生活和现在是非常不同的，那个时候没有这么多的高科技设备。
50 years ago and now life is very different, at that time there is not so much high-tech equipment.
请采纳！！！追问5和10都是定语从句吗，怎么没有连接词呀