高一英语同步课程
《完形填空之词语辨析》麻雪玲
点击试听好老师授课
老师传授典型题详细办法
教学生举一反三
一题多解、一题巧解
错题本
错题追踪复习
听课中的错题能自动加入错题本
课后可方便复习及导出错题本
网络答疑
课程互动性强
在线互动问答
数理化英快速答疑
课后练习
经典例题课后练习
老师针对课堂中的经典例题
为学生推送同类型题，掌握解题方法
serve n. 原因；理由
(1) 为……服务／工作 A slave serves his master.
(2) 接待(顾客) The shop assistant is serving a customer.
(3) 侍候吃饭，端(菜)；供应(饭菜)
Lunch is served now.
(4) serve as 充任(某职务)作……用
She served as a model for several painters.
This box will serve as / for a seat.
role n. 原因；理由
(1) (戏剧中的) 角色
Oliver played (acted) the role / part of Hamlet.
(2) (现实生活中的) 身份；作用
What is your role on the Committee?
(3) play a...role in... = play a...part in在……中扮演……角色或作用
The headmaster plays an important role / part in the good running of a school.
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