托福詞匯練習：margins

　　New oceanic crust is formed along one or more margins of each plate by material issuing from deeper layers of the Earth's crust, for example, by volcanic eruptions of lava at midocean ridges.

　　The word "margins" is closest in meaning to which of following?

　　(A) edges

　　(B) peaks

　　(C) interiors

　　(D) distances

　　正確答案： A

　　托福詞匯：margin 英['mɑ:d??n]美[?mɑrd??n]

　　n.邊緣，范圍;極限;利潤，盈余;(版心外)的空白

　　vt.留邊;成為…的邊;加邊于，圍繞;為…加旁注

　　名詞復數:margins

　　[例句]Second , margin loans are callable.其次，保證金貸款隨時可以收回。