北师大版（2019）必修第一册Unit 1 Life Choices Lesson 1 Lifestyles 知识点讲解 课件

三U1

Lesson1知识点知识点1.I've

been

using

the

computersinceIwasa

kid.(Para1)现在完成时：have/has

done现在完成

进行时：have/has

been

doing定义：表示动作从过去某一时间开始一直延续到现在，

并且可能持续下去。知识点11.I

have

beenwaiting(wait)for

you

for

anhour.2.She

has

been

studying/(study)Frenchsincetwoyearsago.

hasstudied常见的现在完成时标志：already,yet,before,sO

far,uptonow,inthepast...years,since+过去时间

点

，for+

一段时间知识点2.a

widerange

of

=a

variety

ofrange

n.一系列，范围v.

(在某个范围内)变化；包括(从.

…到……)之间

的各类事物The

cost

ranges

from

$10

to

$50价格从10美元到50美元不等。知识点3.besides+V-ingBesidesworking

_(work)asadoctor,healsowrites

hovels

in

his

spare

time.知识点4.It

is

convenient

to

dosth.译：提前在网上订票很方便。It

isconvenientto

bookticketsonline

inadvance.知识点

tellv.区分，判断

that引导的同位语从句

5.Accordi

ngtothem,thereisadanger

thatImaynot

beabletotell

whetherthesefriendsarereal

friends.(Para3)同位语从句用于解释或说明名词的具体内容，通常跟在某些特定名词后面。同位语从句常由that,whether,who,what

等引导词引导，用以连接主句和从句。whether引导的宾语从句同位语从句的构成引导词的使用定义与功能同位语从句The

newsthat

hewonthegamesurprised

us.Thereissomedoubtwhether

hewill

come.同位语从句常修饰news,fact,truth,belief,idea,information,conclusion,suggestion,thought,doubt

等抽象名词。知识点6.inperson亲自助动词do

表对谓语动词的强调，“的确，确实”Actually,I

doknowIneed

to

dragmyselfaway

fromtheonlineworld

sometimes.(Last

Para.)drag

sb.away

from使远离，强把某人拉开不去做某事译：我确实喜欢那部电影!do

likethat

movie.知识点7.tend

todosth.易于做某事，倾向于做某事

tendency

n.趋势，倾向8.at

the

beginning/end

of在……的开端/末尾此种用法中常见的名词有：dream,wish,hope,work,job,plan,aim,goal,decision,purpose

等。todo不定式作表语，用来说明主语的身份、

职业、性质、内容或者特征，或表示预定

要发生的动作。9.Myaimistodowell

in

every

subjectthis

term.句型：主语+系V.+todo

sth.do

well

in

sth.在某方面做得好知识点知识点E.g.:①Mywork

isto

clean

thehouseeveryday.②They

are

tomarrynext

week.翻译：我的梦想是进入名校。Mydream

istoentera

top

university.知识点10.so

that+Cl.

以便于(目的状语从句)译：我今天早起以便于我能赶上公交车。lgot

upearlytoday

so

that

I

could

catch

the

bus.11.keepit

updated

持续更新V+O+OCupdated

adj.

更新的知识点12.meanwhile

adv.

同时13—

Italways

makes

meexcitedtowork

hardandachieveateamgoal

together.make

(使役动词):①make

sb.do②

make

sb./sth.+adj.知识点译：互联网使迅速获得各种信息变得简单。The

Internet_makes

iteasy

togetvariousinformation

soon.14.achieveone's

goal/aim/target实现某人的目标15.ToachieveallIwant,Imust

use

mytimewell.译：为了救出这个小孩，消防员们持续工作了10个小时。Tosavethechild,thefire