人教版（2019）选择性必修第一Unit 5 Working the Land 单元重点回顾课件(9张ppt)

(共9张PPT)
单元重点回顾
选修一 Unit 5
单元知识回顾
1.devote vt.把……献(给);把……专用于;专心于　
devote oneself 　　　　　献身于……;致力于……;专心于……
devote...to...把……用于……;把……献给……
　　　　　 adj.忠实的;深爱的
be devoted to深爱;致力于;专心于
　　　　　 n.关爱;献身;奉献;忠诚
2.convince vt.使相信;使确信;说服
convince sb 　　　　　sth使某人相信某事
convince sb to do sth说服某人做某事
convinced adj.确信的;深信的
be convinced 　　　　　/that...相信……
　　　 　　 adj.令人信服的
to
devoted
devotion　
of
of
convincing　
3.attain vt.(通常经过努力)获得;得到
4.overcome vt.克服解决;战胜
5.expand vt.& vi.扩大;增加　vt.扩展;发展(业务)
expand into拓展到;拓展成 expansion n.扩张;扩展
6.estimate vt.估计;估价;估算　n.估计;估算
be estimated 　　　be/have/cost估计是/有/花费
It is estimated that...据估计……
7.comprise vt.包括;包含;由……组成
be comprised 　　　　　包括;包含;由……组成(或构成)
to
of　
8.deal with 处理;安排;应付;涉及;和……打交道
9.make use of利用
come 　　　　　use开始被使用
be 　　　　　(great) use (很)有用
10.present vt.赠送(礼物,奖品等);呈现　adj.在场的;出席的;当前的　n.礼物
at present=at the present time目前 be present at出席
present sb with sth=present sth to sb把某物赠予或交给某人
full/good
the
into
of　
11.in turn相应地;转而;依次;轮流　
　　　　　 turns轮流;交替地
　　　 one’s turn轮到某人;接着
take turns to do sth轮流做某事
it is one’s turn to do sth轮到某人做某事
12.digest vt.& vi.消化　vt.领会;领悟
　　 　 n.消化;领悟 digestive adj.助消化的
13.essential adj.完全必要的;极其重要的
be essential 　　　　　对……是必要的
it is essential that...(should) do做……是必要的
it is essential to do...做……是必要的
by
in　
digestion　
to/for
14.alternative n.可供选择的事物　adj.可供替代的;非传统的
　　　 alternative to... ……的替代物(to是介词)
have no alternative 　　　　　to do sth别无选择只好做某事
have the alternative 　　　　　doing sth有做某事的选择
15.instance n.例子;实例;事例
　　　　　 instance例如;比如
　　　 this instance在这种情况下
an
but
of　
for
in
1.Yuan Longping,　　　　　　　the “father of hybrid rice”,is one of China’s most famous scientists.
2.　　　　　　　　　Yuan’s hybrids have made him quite wealthy,one might think he would retire to a life of leisure.
3.　　　　　　　　both of my grandparents have retired from their jobs in the city,how they are going to spend their retirement is an important decision for them.
known as
Given that
Now that
4.I’d rather...
5.In fact,some pesticides like DDT have been prohibited in most countries 　　　　　　　　　　the damage they cause to people and the environment.
6.Therefore,there is still a long way to find a suitable solution
　　　　　puts sufficient food on the dinner table while keeping people and the environment 　　　　healthy 　　　　possible.
because of
that
as
as
主语从句
Whether we will hold the sports meeting has not been decided.
What Barbara offers to her fans are honesty and happiness.
It isn’t likely that I should accept such an offer as that.