北师大初中英语九年级（全一册）--Unit 4-16

[00:00.90]Unit 4 Inventions and Inventors

[00:04.80]Lesson 16

[00:09.87]Exercise 1.2

[00:13.52]Today's competition is about inventors.

[00:16.74]I'll describe the inventors and all the four

[00:19.58]groups here will guess who I'm describing.

[00:22.49]Each correct answer will earn you 20 points

[00:26.10]and each wrong answer will cost you 10 points.

[00:29.61]When I see your hands up.

[00:31.28]I'll ask your group to answer.

[00:33.72]Remember,only the first group to

[00:35.77]put their hands up can answer.

[00:38.18]Now let's start.

[00:40.31]One,He was born is 1706 in Boston,

[00:44.89]He had to stop studying

[00:46.41]when he was 10 years old

[00:48.37]and from then on he taught himself,

[00:51.27]He went to a printing house at the age of 12

[00:54.60]so that he could read many books.

[00:57.32]He was interested in observing 1 clouds,

[01:00.02]thunder,and lightening 2.

[01:02.18]In 1752,He did a dangerous experiment

[01:05.68]with a kite on a rainy day.

[01:07.73]Okay,Group 4.

[01:10.07]We think he might be Edison.

[01:13.33]Sorry .that's wrong.

[01:15.14]Through this experiment,

[01:16.68]he found the nature of the electricity 3

[01:19.09]and invented the lightening rod 4.

[01:21.12]Group 2,please.

[01:22.60]He must be Benjamin Franklin.

[01:25.65]Exactly.

[01:27.97]Two,He was an American inventor.

[01:31.51]He was born to a poor family in 1847,

[01:35.68]His mother taught him at home.

[01:38.14]He often observed 5 things carefully

[01:40.70]and he liked to ask questions about them.

[01:43.82]He studied very hard

[01:45.34]and made over 1,300 inventions

[01:48.50]during his life time.

[01:50.23]One of his famous inventions was the light bulb

[01:53.64]Any group?Okay,Group 1.

[01:57.42]He must be Thomas Edison.

[02:00.87]Correct.

[02:02.60]Three,He is Chinese,

[02:04.89]He went to a university in Southwest China

[02:08.21]to study farming 6 technology.

[02:10.48]He was called "the father of hybrid 7 rice."

[02:13.78]Group 1 again.

[02:15.57]That must be Yuan Longping.

[02:18.31]Yes,you're right.Here's your last chance.

[02:22.30]Four.These two brothers were Americans.

[02:25.94]When they were young.

[02:27.26]they started to wonder

[02:28.35]why birds could fly in the sky.

[02:31.09]Then they started to make flying machines.

[02:34.00]Many people ... Yes,Group 2.please.

[02:37.88]We think they must be the Wright brothers.

[02:41.13]They first tried to fly a plane in 1903.

[02:45.12]Yes,you're right,

[02:46.81]Now let's add up the points.

[02:52.21]Exercise 2.1

[02:55.41]One

[02:57.12]It's a small object 8

[02:59.40]and it's about 7 to 8 cm long.

[03:02.75]It can be in different colors.

[03:05.26]It is used 9 by teachers to write

[03:07.45]on the blackboard.

[03:10.19]Two

[03:12.90]This object is not very big.

[03:15.89]It's round ... and flat,

[03:18.38]It's very thin,It's hard ...

[03:21.07]but it's not very heavy.

[03:23.64]It's made of plastic.

[03:25.71]In the middle of the object

[03:27.65]there is a small ... round hole.

[03:30.41]It is used for storing information or music.

[03:35.38]Three

[03:37.46]It's made of wool 10.

[03:39.26]It's long with different colors.

[03:41.82]It can be put around your neck

[03:43.71]and keep you warm.

[03:44.51]