雅思詞組1:potential problem潛在問題

With increasing industrial development around the world, the discharge of toxic pollutants is a potential problem for many countries.
隨著世界范圍內工業的逐步發展，對很多國家來說，有毒污染物的排放是一個潛在問題。

雅思詞組2:prefer...to喜歡…勝過…

I much prefer coffee to tea.
我喜歡咖啡遠勝過茶。

雅思詞組3:present oneself出席(會議等)，到場

Make sure you wear neatly while presenting yourself in the seminar.
出席研討會時一定要衣著整齊。

雅思詞組4:prevent...from阻止

In Australia, where people spend a lot of time at the beach, the government has realized that it must prevent sharks加m swimming near its beaches.
在澳大利亞，人們在沙灘上度過大量時間，政府已經意識到必須阻止鱉魚游到沙灘附近。

stop...from

雅思詞組5:price range價格范圍

A:Before I ring, we'd better just make sure the hotels are within the price range.
A:打電話前，我們最好確保這些旅館的房價在我們能承受的價格范圍之內。

B:Up to ￡15 a head?
B:每人最多15英鎊?

A I think you'll find some people won't be able to go that high.
A:我覺得你會發現有些人不能承受那么高的價格。

雅思詞組6:price structure價格結構，價格構成

A:How much are the tickets?
A:票價是多少?

B:We've introduced a simpler price structure. Ticket prices used to range from ￡6 to ￡30 but now they're all ￡18.
B:我們啟用了一套更單一的價格結構。原先票價是從6英鎊到30英鎊不等，但現在一律18英鎊。

雅思詞組7:pride oneself on以…自豪，為…感到驕傲(或得意)

We pride ourselves on our friendly service, which are particularly important for the increasing number of people who choose to holiday alone.
我們為能提供舒適的服務感到自豪，舒適的服務對日益增多的獨自度假的人而言尤其重要。

be proud of

雅思詞組8:proficient in/at熟練，精通

The candidate for this position must be proficient in English and is willing to travel in remote areas.
該職位要求申請者必須精通英語并愿意去偏遠地區出差。

雅思詞組9:profound influence深刻的影響

The UV-B radiation has profound influence on the immune system in human beings as well as in laboratory mice.
UV-B輻射對人體和實驗用小鼠的免疫系統都會產生很大的影響。