Words and Phrases
variety n.[U]多样化；变化；多变性[C](植物、语言等的)变种；品种
(教材原句P56)As the world's first national park，Yellowstone is famous for the variety of its wildlife，but it is probably best known for its bears.
作为世界上第一个国家公园，黄石国家公园因园内野生生物的多样性而著名，但最为出名的可能是公园内的熊。
[例] Different varieties of English is spoken all over the world but they have a lot in common.
全世界各地说着各种类型的英语，但是他们有很多共同点。
[知识拓展]
(1)a (wide)variety of/varieties of
各种各样的……
(2)vary vi. 相异；变化，变更
vary from...to... 从……到……不等
vary with... 随……变化而变化
vary in... 在……方面相异/不同
(3)various adj. 各种不同的，各种各样的
[即学即练] 单句语法填空
①There are various(variety)goods on sale，so you can feel free to choose.
② Varieties(variety)of solutions have been provided for us to solve the problem.We can choose one to start with.
③There is a wide variety of patterns for us to choose from.
④Prices vary with the type of room you require.
