Unit 5 Into the unknown Using language 课件(共23张PPT)-2025-2026学年外研版（2019）选择性必修第四册

(共23张PPT)
Unit 5 Into the unknown
Using language
vocabulary and phrases
课前基础自测
一，单词
(1) n.逃跑,逃走 (2) v.后退.离开;撤退
(3) v. 克制,抑制 (4) adj.地图上未表明(5) v.探索, 探究 (6) v.退缩.畏缩
(7) n.调查 (8) n.栖息地
(9) adj.明智的(10) adj.可以理解的
getaway
retreat
subdue
uncharted
delve
shrink
investigation
habitat
sensible
understandable
二，短语
(1)弄明白;算出;锻炼 .
(2)追溯到
(3)逃命 .
(4)检查;结账;查看 .
(5)试探;摸清底细 .
(6)避开...;从...处脱身 .
(7)动身出发;开始工作 .
(8)投身于,积极从事 .
(9)调查;研究 .
(10)逃跑,逃走 .
work out
date back to
run for one's life
check out
test the waters
steer clear of...
set out (for sp./to do sth.)
throw oneself into
look into
make a getaway
课前基础自测
二，短语
(11)开始生效/见效 .
(12)慎重考虑
(13)朝着...前进 .
(14)采取行动 .
(15)避免做,不愿做 .
(16)相当于,总计为 .
(17)由于,因为 .
(18)仔细考虑;反省 .
(19)进行大量的研究 .
(20)弄清楚,搞明白 .
kick in
think twice
advance towards
take action
shrink from
amount to
due to
reflect on
conduct a lot of research
figure out
课前基础自测
三，词汇拓展
1. v.为…工作, 服务→ n. 仆人; 雇员
→ n.服务；接待
2. adj.长的→ n.长度→ n.加长
3. n.回应,响应→ v.
4. v.忍耐,忍受 → n. 忍耐力
5. v.探索;勘测→ n.探险者;勘探者
→ n.探索;研究;勘探→ adj.无人涉足的
serve
servant
service
long
length
lengthen
response
respond
endure
endurance
explore
explorer
exploration
课前基础自测
unexplored
三，词汇拓展
6. adj.安全的→ n.安全;安全性
→ adv.安全地;安稳地
7. v.诱惑,引诱→ n.诱惑
8. n.进步;进展;进程→ adj.进步的先进
9. adj.好奇的→ n.好奇心
10. 　　 v.考虑; 认为→ n. 考虑;顾及
→ adj.体贴的→ adj.相当大的
safe
safety
safely
tempt
temptation
progress
progressive
curious
curiosity
consider
consideration
considerate
considerable
课前基础自测
Language points
1. work out
解决; 找到解决办法; 制定(规定、计划等)
work out的它意:
work out at a gym 在健身馆健身
work out as planned 按计划进行
work out the maths problem 算出这道数学题
Exercise
1. Thankfully, things work out as planned. (
2. With such busy lives, it can be hard to try and find the time to work out. (
3. Work out a solution to genetic problems. (
4. The three charities met last week to try to work out a plan of action, according to english-language french newspaperthe local. (
进展
锻炼
找到
制定
Language points
2. date back to
起源于...;追溯到=date from
date v. 始于... n. 日期; 约会
set/fix a date for... 确定...的日期
out of date 过时的;过期的 up to date 现代的,最新的
to date 到目前为止 have a date with sb. 与...有约会
Exercise
1. These plant fossils date back the age of the dinosaurs.
2. They haven't set a date their wedding yet.
3. The building, (date) from the 18th century, is now a protected historical monument.
4. To date, we (receive) over 200 replies.
to
for
dating
have received
Language points
3. set out
陈述；开始做某事；出发
set out one’s opinion 阐述某人的观点
set out to do sth. 开始做某事
set out for sp. 动身去某地
set up 创建；建立；组织；安排
set off 启程；出发
Exercise
1. I’d like to set a team meeting for next week.
2. We set out Paris at 9 o’clock.
3. The next morning he hired a boat and set out
(find) the well-known painter.
4. He has written a letter to China Daily to set his views.
up
for
to find
out
Language points
4. look into
调查;向里看
look to sb. to do sth./for sth. 指望某人做某事/提供某物
look forward to 期待,盼望
look back on 回忆,回顾 look out for注意察看,留心
look on...as... 把......看作
look through 浏览;识破;看穿
look down on/upon 轻视,瞧不起
Exercise
1. You have to look those reports before you attend the meeting.
2. I have been looking forward hearing from you.
3. When I looked back those days, I realized I was unhappy.
4. You should not look down someone else because he is poor.
5. They are looking to specialists help.
through
to
on
on/upon
for
Language points
5. fade out
(声音等)渐弱/淡出
fade v. 逐渐消失;褪色
faded adj.(记忆等)褪色的
fade from... 从...逐渐消失
fade away 逐渐减弱/消失
fade down 安静下来
Exercise
1. Now prospects for peace have already started (fade).
2. Though it is one of the (fade) memories of my life today, there are times when I remember his face clearly.
3.After 2010, the report says, the effects of the economic plan would rapidlyfade .
4. Even the most important issues eventually fade your consciousness.
to fade
faded
away
from
Language points
6. amount to
合计; 总共达到
amount v. 合计,共计
n. 数量; 金额
the amount of... +[U]n. ...的量
in large/small amounts 大量地/少量地
a large amount of+[U]n.+单数谓语动词 大量的...
large amounts of+[U]n.+复数谓语动词 大量的...
Exercise
1. A large amount of medicine (be)indeed needed in the earthquake-hit area.
2. Large amounts of money (be)spent on the celebration.
3. He wanted to withdraw money from the bank large amounts.
4. Their traveling expenses amount seven hundred dollars.
is/was
are/were
in
to
Language points
7. run for one's life
逃命
run v.跑;快速移动;经营;运行;开设run - ran - run - running
熟词生义: 参加竞选;起作用,奏效;持续(last)
run after 追赶, 追逐 run away 逃跑
run for 参加竞选 run out (of sth.) 用完;耗尽
run across 穿过; 碰到 run late 迟到, 延迟, 晚了
run into (trouble)遇上; 陷入(困境) run low 缺乏;即将用尽
Exercise
1. You ran Head of the Student Committee but weren’t elected.
2. Her daughter pretended not to hear what she said and kept on (run).
3. While I was walking to the store, I ran an old friend from high school.
4. We have run time. We need to hurry.
5. The battery on my phone is running , I'll need to charge it soon.
for
running
into
out of
low
Language points
8. the unknown
不为人知的地方
unknown adj. 未知的; 不出名的; 从未发生的
n. 未知的地方; 无名者; 未知的因素
known adj. 知名的;出了名的;已知的
unknown to sb. 不为某人所知的
be known for 以某事闻名
be known to 为...所熟知
Exercise
1. Unknown me, they had already signed the agreement.
2. This plant has long been known its medicinal uses(药用价值).
3. Just go to the hotel reception and make yourself (know) to the receptionist.
to
for
known
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