英語知識點是高考的基礎，掌握高一英語知識點將對高考復習起到重要作用，為方便同學們復習高一英語知識點，整理了人教版高一英語單詞精講，供同學們參考學習。
人教版高一英語單詞精講：serve
serve n. 原因；理由
(1) 為……服務／工作 A slave serves his master.
(2) 接待(顧客) The shop assistant is serving a customer.
(3) 侍候吃飯，端(菜)；供應(飯菜)
Lunch is served now.
(4) serve as 充任(某職務)作……用
She served as a model for several painters.
This box will serve as / for a seat.
人教版高一英語單詞精講：role
role n. 原因；理由
(1) (戲劇中的) 角色
Oliver played (acted) the role / part of Hamlet.
(2) (現(xiàn)實生活中的) 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.
人教版高一英語單詞精講：reason
reason n. 原因；理由
(1) + to do sth. You haven't any reason to leave me.
(2) + for sth. / doing People must have a reason for saying such things.
(3) + 從句；從句用why / for which引導 That is the reason why you should leave.
(4) for + reason，為了某種原因He is retiring for reasons of health.
[比較] cause“原因；起因”
the cause of the fire 火災的起因(引起某種后果的起因)
the reason for being late 遲到的理由(做某件事的理由)
人教版高一英語單詞精講：serve
serve n. 原因；理由
(1) 為……服務／工作 A slave serves his master.
(2) 接待(顧客) The shop assistant is serving a customer.
(3) 侍候吃飯，端(菜)；供應(飯菜)
Lunch is served now.
(4) serve as 充任(某職務)作……用
She served as a model for several painters.
This box will serve as / for a seat.
人教版高一英語單詞精講：role
role n. 原因；理由
(1) (戲劇中的) 角色
Oliver played (acted) the role / part of Hamlet.
(2) (現(xiàn)實生活中的) 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.
人教版高一英語單詞精講：reason
reason n. 原因；理由
(1) + to do sth. You haven't any reason to leave me.
(2) + for sth. / doing People must have a reason for saying such things.
(3) + 從句；從句用why / for which引導 That is the reason why you should leave.
(4) for + reason，為了某種原因He is retiring for reasons of health.
[比較] cause“原因；起因”
the cause of the fire 火災的起因(引起某種后果的起因)
the reason for being late 遲到的理由(做某件事的理由)