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UNIT 11

Technology
LESSON 2 :
A CLOSER LOOK 1

I. VOCABULARY
1. Archaeologist (n):
/,ɑ:ki'ɒlədʒist/ 

nhà khảo cổ

2. explorer (n):
/ik'splɔ:rə/

người thám hiểm

3. Conservationist (n)
/,kɒnse'vei∫ənist/ :

Người bảo tồn thiên nhiên

4. marine (adj):
/mə'ri:n/ 

(thuộc về) biển

+ Look out!
- We add -er, -or, or -ist to a verb or noun to form a noun
indicating people.
Example: - to learn  learner
- to invent  inventor
- Science  scientist
1. to work

2. to visit

3. art

4. to retail

5. participate 

worker
visitor
artist
retailer: người bán lẻ
participant

1. Complete the following sentences with nouns indicating people

adviser/ advisor

chemist

Biologist
programmer

designer

3. Give the correct form of the words in brackets.
1. Every day we hear about new (develop) development
______
in science
and technology.
2. Einstein was one of the greatest (science) scientists
______ in the world.
3. The USA is a world leader in space (explore) ______
.
exploration
4. Advances in (medicine) medical
______ science will help people live longer
in the future.
5. There is a link between (economy) _________
economic
the environment.

development and

II. Pronunciation: Stress in words starting with un- and im- When we add the prefix un- or im- (meaning 'not') to a root word, the
stress of the word does not normally change.
Example:
- 'friendly → un'friendly
- 'probable → im'probable /im'prɒbəbl/ : không chắc có thực
Note: When we add the prefix un- or im- to a one-syllable word, the stress
falls on the root word.
Example: - fair → un'fair
- pure → im'pure /im'pjʊə[r]/ không trong trắng, đồi bại; đen tối

4. Listen and repeat the following words. Mark the stressed
syllables in the words.

 /,ʌnfɔ:'si:n/  (adj.): không nhờ trước

/imə'tjʊə[r]/ (adj): non nớt, chưa phát triển đầy đủ

5. Put the words from 4 in the right columns.

oO

oOo

Unwise

Unlucky

Impure

Impatient

Unhurt

Unnatural
Unhealthy

ooO
Impolite
Unforeseen
Immature

oOoo
Impossible
Unlimited

6. Fill the gaps with one of the words in 5. Listen and check, then
read the sentences.
1. The teacher said this water was ______
impureand couldn't be used in
our experiment.

unhealthy
2. Scientists have identified a link between an ______
diet and
diseases.
impossible
3. This job would be ______
without the help of a computer.
unlimited
4. Our natural resources are not ______
.
impatientwith small children.
5. It's no good being ______

* Ho
mew
ork:

- Learn vocabulary by heart and
rewrite them in sentences.
- Prepare for a closer look 2.