1．What he learned at university is not relevant (有关的) to his job.
2．Besides, we need friends to share our joys and sorrows, otherwise (否则) we will feel lonely.
3．Christmas was almost upon us and presents needed to be purchased (购买)．
4．Just sit at a computer, click (点击) and choose, and you can find all kinds of different things online.
5．It's my privilege (荣幸；特权) to have such an opportunity to live with your family.
6．My English teacher asked us to choose a topic, make a(n) weekly (每周的) plan and tell the class about it.
7．Our class are going to visit poor children in a remote (偏僻的) mountainous area this weekend.
8．This concept (观念) gives a whole new meaning to the idea of how to live a simple but full life.
9．With the increasingly rapid economic (经济的) growth, more problems are brought to our attention.
10．My colleague and I have a lot of experience in web security(安全), but it is not something that people couldn't learn. Once you understand how the system works, it is very simple.
