雅思词组1:be closely linked to 和…密切相关
Access to clean water is closely linked to many factors such as pollution, human health and poverty.
雅思词组2:be composed of 由…组成
Now you'll note that all of the subjects which you undertake in the first year are composed of lectures and tutorials.
近义词组：be consisted of, be comprised of
雅思词组3:be concerned about 担心，忧虑;关注
The whole society should be concerned about the health of children.
近义词组：be worried about
雅思词组4:be concerned with 关于，牵涉;关心，挂念
The book is primarily concerned with Soviet-American relations during the Cold War.
The international community is more concerned with the country's litary actions.
雅思词组5:be confronted with 面对(危机、挑战、困难等)
Many consumers, especially the young ladies, are always confronted with the seemingly contradictory choice of wanting to help the planet and the desire to buy the latest so-called "must-have" products.
雅思词组6:be confused about 对…感到困惑
If you are confused about subjects or how to combine them in your degree, then we can advise you and discuss the career you are aiming for.
雅思词组7:be covered with 被…覆盖
The shark's skin isn't covered with scales, like other fish: instead the skin is covered with barbs, giving it a rough texture like sandpaper.
雅思词组8:be crazy about 热衷于
I'm crazy about opera while Thomas is crazy about cartoons.
雅思词组9:be dependent on/upon 依靠，依赖;取决于
A:Pm really serious about improving my English so I'd prefer to be the only guest in the host family if that's possible.
B:No other guests...Yes, you get more practice that way. Anyway, obviously all this is partly dependent on how much you're willing to pay. What did you have in mind?
A:I was thinking in terms of about # 60- # 80 a week, but I'd go up to a hundred if it was something special.
雅思词组10:be dotted with 遍布，点缀着
The lake near my house which was dotted with various kinds of cartoon boats, attracts many children every day.