UNIT 8:
THE SWORD THAT CAN HEAL
Reading 1
New words:
1- military (a,n)
2- miraculous (a) wonderful
It’s miraculous how much weight you lost.
3- accessible (a):
4- focus (v)
The meeting focused on world’s population.
5- (a) Accurate
(adv) accurately
(n) accuracy (n)
6- (v) (n) spot
7- (n) Cell
8- (v) Attack
The rebels attacked the capital
9- (v) attach to
10 - (v) strike - struck - struck
The clock trikes twelve times at 12 o’clock
11- (v) prefer -
(n) preference -
(adj) preferential
(adv) preferentially
I prefer swimming to jogging
An injected chemical attached itself preferentially to cancer cells
12.(v) inject
13.(v) delicate =frail = small
Unit 8: THE SWORD THAT CAN HEAL
TRUE OR FALSE STATEMENT
1/ The surgeons use lasers as scalpels.
2/ Laser beams are not intense enough to drill through the most delicate bones.
2. Neighbor cells are harmed when lasers attack cancer cells.
3. A chemical can be injected to a patient so that it strikes the lasers easily.
4. A form of oxygen can kill diseased cells.
T
F
F
T
T
Unit 8: THE SWORD THAT CAN HEAL
QUESTIONS
1. What do surgeons use as miraculous scalpels?
2. What size can the beam be focused?
3. How is the laser used to treat cancers?
4. How is it used to treat cancers that are less
accessible?
Unit 8: THE SWORD THAT CAN HEAL
FILL IN THE BLANKS
Military scientists test _________ (1)against satellites, surgeons use them as miraculously accurate _________(2). Despite the small size, the beam is ________(3) enough to kill cancer cells or drill though the most delicate bones.
For cancer ________(4), the _________ (5) cells must be killed while their healthy _________(6) are left unharmed. For cancers that are less accessible, there is a _________(7) technique in which the patient is injected with a _________(8) that then attaches ____________(9) to cancer cells. When laser strikes the chemical, it releases a form of oxygen that ________(10) these cells.
1/ lasers scalpels beams rays
2/ lasers scalpels beams rays
3/ intense intensity intention intensify
4/ treat treating treated treatment
5/ ill diseased sick harmed
6/ neighbor neighborhood neighbouring neighborly
7/ value valueless valuable invaluable
8/ chemist chemistry chemical chemist`s
9/ prefer preference preferential preferentially
10/ killed have killed kill kills
lasers
Scalpels
intense
treatment
diseased
neighbors
valuable
chemical
preferentially
kills
What is the laser used for?
Unit 8: THE SWORD THAT CAN HEAL
- To treat cancer
- To cure deafness
- For cosmetic surgery
- To cure peptic ulcer
Unit 8: THE SWORD THAT CAN HEAL
Homework:
- Answer this question again:
* How is it used to treat cancer?
- Prepare reading 2 ( paragraph 3, 4)