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Unit 11 Scientific achievements

Listen to part 1 and complete the chart below.

Words

Speaker

Achievement

That’s one small step for a man ,one giant leap for mankind

Neil Armstrong

Mr Watson,__________; I want you.

Alexander G Bell

QWERTYUIOP

Ray Tomlinson

Set foot on the moon first

Invented the telephone and made the first call

Sent first e-mail message

come here

2.Listen to part 2 and complete the sentences below.

1.The words ________________ are famous because they are the _______________ of the Constitution of the United States..

2.Eureka is word from the ________ language and means________________.

3.If you ask a father, he might say : “__________________”.

If you ask a mother ,she might say : “_________________ .”

“we, the people”

first words

Greek

I have found it

Daddy

Mommy

Listen to the 2nd part and fill in the blanks

1. Words can also become famous because they are used in important ___________.

2. Other words have been made famous through stories about great ________…. Archimedes is said to ______ ________ an important law of physics when he was taking an ______. Watching the water of his bath on the floor, he said “Eureka”, _______ “I have found it.”

3. Of course , perhaps the most famous and important words in the world are the first words a _____ speaks. Proud parents often tell their friends about the important event, but mothers and fathers _______ agree on what the first word was. Depending on who you ask, that word is either … Well, can you guess?

documents

events

have

discovered

bath

meaning

baby

seldom

speaking

Dr Wilson:

Because the number of people infected with AIDS is increasing at an astonishing speed. Some of them are

facing death.

Dr Jones:

Because more and more people are

expecting to get organ transplant(器官移植) in order to prolong(延长） their lives.

　 Dr Smith:

This is important because many people

die for lack of food.

Dr Winfrey:

This is a very important project

because we are eager to know if there

are signs of life on Mars and if we can

live there.

Task

Hold a competition between four groups and see which group can list the most reasons for his research.

Homework :

Read the words and recite them.

Preview the reading material.