(2)make a face 做鬼脸

　　face to face 面对面

　　in the face of 面对；在......面前

　　[练通]

　　单句语法填空

　　①Facing (face) so much trouble, he didn't know what to do.

　　②When I am faced with a difficulty in my study, I usually choose to refer to relevant learning materials or web pages.

　　句型转换

　　Facing these difficulties, many students find themselves unable to pay full attention to their studies.

　　③When_facing these difficulties, many students find themselves unable to pay full attention to their studies.(状语从句的省略)

　　④Faced_with these difficulties, many students find themselves unable to pay full attention to their studies.(过去分词短语作状语)

　　⑤In_the_face_of these difficulties, many students find themselves unable to pay full attention to their studies.(介词短语作状语)

　　[写美]　翻译句子

　　⑥这是我第一次和我妈妈面对面交谈。

　　It_was_the_first_time_that_I_had_talked_with_my_mother_face_to_face.

　　3．range n．山脉；幅度；范围；种类 v．排列；(在一定范围内)变化，变动

　　[记牢]

　　(1)in/within range (of sth.)　 在......范围内

　　beyond/out of range (of sth.) 在......范围外

　　a wide range of ... 范围广泛的；各种各样的

　　(2)range from ...to ... 在......范围内变动

　　range between ...and ... 在......和......范围内变动

　　[练通]　单句语法填空

　　①(2017·北京高考) The national park has a large collection of wildlife, ranging (range) from butterflies to elephants.

②When driving on highways, the driver must control his or her speed within/in the