新概念英语第二册 Lesson 43 Over the south pole 课件(共27张PPT)

(共27张PPT)
Lesson 43
Over the South Pole
The climate of the South Pole is terrible ,so it’s very difficult and dangerous to cover, but an American explorer flew over it successfully in 1929. Let’s see how he flew over the South Pole.
Presentation
pole
/p[Jl/
flight
flight
/5flaIt/
explorer
/Ik5splC:r[/
lie
/laI/
serious
/5sI[ri[s/
point
/pCInt/
seem
seem
/si:m/
crash
/krAF/
sack
/sAk/
clear
/klI[/
aircraft
/5e[krB:ft/
endless
/5endl[s/
plain
/pleIn/
pole /p[Jl/ n. （地球的）极
flight /5flaIt/ n.飞行
explorer /Ik5splC:r[/ n.探险家
lie /laI/ v. 处于
(lay /leI/, lain /leIn/)
serious /5sI[ri[s/ adj.严重的
point /pCInt/ n.地点
New words
seem /si:m/ v.似乎
crash /krAF/ v.坠毁
sack /sAk/ n. 袋子
clear /klI[/ v.越过
aircraft /5e[krB:ft/ n.飞机
endless /5endl[s/ adj.无尽的
plain /pleIn/ n.平原
New words
‘In 1929, three years after his flight over the North Pole, the American explorer, R.E. Byrd, successfully flew over the South Pole for the first time.’
1. the South Pole 南极
the North Pole 北极
2. for the first time第一次
for the last time最后一次
this time 这次
last time 上次
next time 下一次
another time另一次
each time 每一次
Article focuses
‘Though, at first, Byrd and his men were able to take a
great many photographs of the mountains that lay
below, they soon ran into serious trouble.’
3. take a photograph of 拍…的照片
4. a great many + 可数名词复数：许多，大量
a great number of + 可数名词复数 ：许多，大量
a lot of /lots of +可数名词/不可数名词：许多
5. lie—lay---lain---lying ①躺、卧、平放②（处）在，位于
lie---lied---lied---lying 撒谎
lay—laid---laid---laying 放置, 产（卵、蛋）
6. run into serious trouble 遇到麻烦
Article focuses
‘At one point, it seemed certain that their plane would crash. ’
7. at one point在某一地方，在某一时刻
8. It seemed certain that… 看起来肯定…
it是形式主语，真正的主语是that从句
it作形式主语时常与seem, appear, look等词连用
Article focuses
‘It could only get over the mountains if it rose to 10,000 feet.’
9. 主语+can/could only…if…: 只有…才能…
eg: You can only go out if you finish your homework.
你只有完成作业才能出去。
10. get over the mountains 越过山头
Article focuses
‘Byrd at once ordered his men to throw out two heavy food sacks.’
‘The plane was then able to rise and it cleared the mountains by
400 feet.’
11. order sb to do sth 命令某人做某事
12. by…feet 相差…英尺
by…meters 相差…米
by…minutes 相差…分钟
eg: She is taller than I by 3 cms.
Article focuses
‘Byrd now knew that he would be able to reach the
South Pole which was 300 miles away, for there were no
more mountains in sight.’
‘The aircraft was able to fly over the endless white
plains without difficulty. ’
12. in sight 看得见
out of sight 看不到
13. 构成法：n.+less（否定后缀） adj.
hopeless 无希望的 helpless 没救的
careless 粗心的 treeless 无树的
useless 无用的 worthless 不值得的
14. be able to 能够
Article focuses
can, could与be able to的用法
can表示能力，能、会，请求
I can see the teapot but I can’t see the tea.（表示能力）
Can you make the tea,Sam （表示请求）
Can you come here a minute please , Bob (表示请求)
2. can表示请求、允许
'Can I return these two tickets ' he asked.
Yes, of course you can.
'Could I have those two tickets please ' I asked.
Certainly !
Focus on grammar
Byrd and his men were able to take a great many photographs of
the mountains that lay below.
It could only get over the mountains if it rose to 10,000 feet.
The plane was then able to rise and it cleared the mountains by 400
feet.
Byrd now knew that he would be able to reach the South Pole which
was 300 miles away.
The aircraft was able to fly over the endless white plains without
difficulty.
Can , could ,be able to 的用法
Focus on grammar
can , could与be able to的用法
3. be able to 能够，可以与多种时态连用；
can 只有现在时和过去时；当我们要表明一个动作已经成功地完成时候，必须用was/were able to 而不能用could。
eg: · I can see you tomorrow.
= I will be able to see you tomorrow.
· The aircraft was able to fly over the endless white
plains without difficulty.
Focus on grammar
1. can, could 和be able to都可以表达能力. can 和 could 都可以用
来提出请求或获得许可; be able to只能表达能力, 不能表达请求
或许可;
2. can 可以用于表达不久的将来的能力, can 只有一般现现在时和一
般过去时(could), 而be able to 有各种时态;
3. could 和was / were able to可以表达过去的能力;
4. 当表达在过去通过努力而成功地完成了某件事情, 要使用was /
were able to, 而不能使用could, 但如果不成功, 则could 和was /
were able to 均可;
Focus on grammar
一、根据句意和汉语提示用适当形式填空
1. I can’t stand the _________pain. （无尽的）
2. He completed the ______over the ocean. (飞行)
3. The valley ______among the mountains. (处于)
4. The plane rose and _______the mountains. (越过)
5. An _______likes travelling through an unknown area. (探险家)
6. She _______quite happy today. (好像)
7. Nothing _______, take it easy . (严重的)
8. The_______UA722 will take off. Please keep your seat. （航班）
endless
flight
lies
cleared
explorer
seems
serious
flight
Exercise
二、连线
1. at heart A 现在（now）
2. at any rate B 不知所措（not know what to do）
3. at least C 事实上 ( in fact )
4. at last D 无论如何 (no matter what might happen
5. at once E 立刻（immediately ）
6. at a loss F 最后 （ in the end ）
7. at first G 有时 （sometimes ）
8. at times H 首先 （when it started ）
9. at present I 至少 ( not less than )
Exercise
三、选词填空
1. After a few hours they _______ save the men from the sea. (could /
were able to )
2. I’ve told you before, you _______make phone calls without paying for
them . (can’t / are not able to )
3. “Excuse me , ” the man said, “_____ read your paper ” (Can I / Am I
able to)
4. We _________________ win the match because the other team
became very tired and slow. (could finally / were finally able to )
5. ______use your computer for a moment please ( Can I / Am I able
to )
could
can’t
Can I
were finally able to
Can I
Exercise
6. Jim has only managed to leave home because he
_______________save enough money to buy himself a flat .
(can/has been able to )
7. ________speak to Dave, please (Could we/Were we able to)
8. Some children ____________ speak before they are two
years old . ( can’t/aren’t able to)
has been able to
Could we
aren’t able to
四、单项选择
1. Do you know the boy under the big tree
A. lay B. lain C. laying D. lying
2. Jerry’s mother is very angry with him because he told a .
A. lie B. lay C. lain D. lying
3. I once suggested that students be given more free time .
A. must B. should C. shall D. will
4. The ground is covered leaves in autumn .
A. by B. to C. for D. with
5. Well , it seemed a good idea at the time .
A. like B. as C. to D. about
D
A
B
D
A
Exercise
Over the South Pole
In 1929, three years after his _____over the North_____, the American_______, R.E. Byrd, successfully flew over the South Pole for the first time. Though, at first, Byrd and his men were able to take a great many photographs of the mountains that _____below, they soon ran into _______trouble. At one_____, it _______certain that their plane would_____. It could only get over the mountains if it rose to 10,000 feet. Byrd at once ordered his men to throw out two heavy food_____. The plane was then able to rise and it _______the mountains by 400 feet. Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight. The _______was able to fly over the ________white _____without difficulty.
Fill in the blanks 1
flight
Pole
explorer
lay
serious
point
seemed
crash
sacks
cleared
aircraft
endless
plains
Over the South Pole
In 1929, three years after his flight over the North Pole, the American explorer, R.E. Byrd, successfully _____over the South Pole for the first time. Though, at first, Byrd and his men were able to _____a great many photographs of the mountains that _____below, they soon _____into serious trouble. At one point, it seemed certain that their plane would_____. It could only _____over the mountains if it _____
to 10,000 feet. Byrd at once _______his men to _____out two heavy food sacks. The plane was then able to _____and it _______the mountains by 400 feet. Byrd now ______that he would be able to _____the South Pole which was 300 miles away, for there were no more mountains in sight. The aircraft was able to _____over the endless white plains without difficulty.
Fill in the blanks 2
flew
take
lay
ran
crash
get
rose
ordered
throw
rise
cleared
knew
reach
fly
Over the South Pole
In 1929, three years _____his flight over the North Pole, the American explorer, R.E. Byrd, successfully flew over the South Pole _____the first time. Though, ____first, Byrd and his men were able ____take a great many photographs ____the mountains that lay below, they soon ran _____serious trouble. At one point, it seemed certain that their plane would crash. It could only get over the mountains if it rose _____10,000 feet. Byrd at once ordered his men _____throw out two heavy food sacks. The plane was then able ____rise and it cleared the mountains ____400 feet. Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight. The aircraft was able to fly over the endless white plains _______difficulty.
Fill in the blanks 3
after
for
at
to
of
into
to
to
to
without
by
Homework