雅思词组1:it's worthwhile to do值得做

I need some help in determining whether it's worthwhile to invest in industry.我需
要有人帮我决定投资该行业是否值得。

雅思词组2:it's necessary to do有必要做

The questionnaire shows that most students think it's necessary to hold music courses at high school.
问卷调查显示，大多数学生认为在高中开设音乐课是必要的。

it's essential to do

雅思词组3:job description s作说明，职位描述

Our job description has been posted on our web.
我们的工作职位说明已经在我们网页上贴出来了。

雅思词组4:job responsibility 2作职责

To qualify for the post you have to fully understand the job responsibility.
要胜任该项工作，你必须完全理解它的工作责任。

雅思词组5:Joint account联名账户

A:Will this be a joint account?
A:您要开联名账户吗?

B:No, just myself.
B:不，只是我的个人账户。

雅思词组6:joint effort共同努力

They are making a joint effort to catch those responsible for Monday's devastating bomb attack in Northern Ireland.
他们正共同努力去抓捕周一北爱尔兰破坏性爆炸事件的责任人。

雅思词组7:just as welt幸好;无妨

You know nothing about food catering, so you may just as well quit applying for that job.
你根本不懂餐饮业，不去申请那份工作也无妨。

雅思词组8:keep fit保持健康

The research stations are really self-contained communities of about twenty people.There's living and working space, a kitchen with a huge food store, a small hospital and a well-equipped gym to ensure everyone keeps fit in their spare time.
研究站是相当自给自足的社区，约有20人。研究站内有生活区和工作区，一个存有大量食物的厨房，一家小医院和一个设备齐全的健身房，以保证每个人都能在业余时间锻炼身体来保持健康。

雅思词组9:keep in touch with与…保持联络

What I do in this period is to keep in touch with you and reassure you that things are moving along.
在这个阶段我要做的就是和你保持联系并且确保事情进展顺利。

Nowadays most of the parents use phones to keep in touch with their children.
如今大多数父母用电话与子女保持联络。

stay in touch with, keep in contact with

雅思词组10:keep on the file存档，记录在案

What you do in college will be kept on the file and go with you through your whole life.
你在大学期间的行为会被记录在案并伴随你一生。

keep in the archives