雅思词组1:a range of 一系列;在…范围
A:And have you got any information ondifferent train tickets types?
B:Yes.There's a range of ticket pricesdepending on when you travel and when you buy your tickets.
We'd like to develop equipment with a rangeof size.
The famous talk show has attracted a widerange of audiences.
雅思词组2:a series of一系列
In the sixteenth century, the East End wasstill a series of separate, semi-rural settlements.
雅思词组3:a set of一组，一套
CD players may be a good present for thedean, and also I thought maybe a set of dictionaries. I heard him say he neededa good one.
雅思词组4:a shortage of缺少，缺乏
There was a shortage of accommodation inEast End, so marshland was drained and built on to house large number ofpeople.
近义词组：be lack of
雅思词组5:a slice of(尤指用刀切下来的)一片，一份
A:The canteen was absolutely packed and Ihad to wait for ages. Then when I got to the front of the queue they had hardlyany food left. So I had to get you a slice of pizza. Pm sorry.
B:Oh, that's OK. I could eat anything. I'mso hungry.
雅思词组6:a sort of 一种;有点，有几分
An old friend acted as a sort of transportorganiser for everyone and the Hotel Ali in Markech was a good social base-I'dreally recommend it, although I can't remember who runs it.
I had a sort of feeling that he wouldn'tcome.
近义词组：a kind of
雅思词组7:a stone's throw away from 离…非常近
ws Although we are just a stone's throwaway加m you, life for us is very different.
雅思词组8:a variety of多种的，各种各样的
Tourists want to find a place which offer avariety of shopping.
雅思词组9:a vicious circle 一个恶性循环
I have many women patients who say theyhave completely given up exercise because the pain makes them so miserable. Butof course that starts up a vicious circle.
air pollution 大气污染
food chain 食物链
ecological balance 生态平衡
waste disposal 废物处理
雅思词组10:a wealth of大量的
Once corals die; their skeletons wouldbecome the habitat for a wealth of marine organisms and settlements of newcoral recruits.
a wealth of后面可以接knowledge,information等抽象名词。