Keys Teacher''s Handout.docx

UNIT 1: HOW IS MY PERFORMANCE?
PART 1: VOCABULARY
B. Extra Exercises
Exercise 1:
1. presentation
2. audience
3. objective
4. illustrate
5. body
6. attention
7. summarizes
Exercise 2:
1. volume
2. body
3. audience
4. presentation
5. outline
6. attention
7. sum up
8. movements
9. emphasize
10. Public speaking
PART 2: GRAMMAR
B. Extra exercises
Exercise 1:
1. d
2. b, i
3. a, c, g
4. e
5. f, h
Exercise 2:

1. C order
2. A refuses
3. A order
4. D will be
5. A What
6. C will have
7. A end
8. A is divided
9. A don’t have
10. A As
PART 3: LISTENING
Exercise 1:
1. Over 75/ More than 75


2. preparation
3. confidence
4. reasons
5. Point of view
6. Emphasize/ emphasise
Exercise 2:
1. confidence
2. attention
3. five to ten
4. movements
5. elbow
6. enthusiasm
PART 4: READING
Exercise 1:
1. audience

2. message
3. design
4. notes
5. prepare
Exercise 2:
1. backgrounds, values, interests
2. select a topic
3. relevant, more enjoyable
4. one/ 1 (concise) (sentence/ statement)
5. (keep you) focused

UNIT 2: COULD YOU POSSIBLY…?
PART 1: VOCABULARY
B. Extra Exercises
Exercise 1:
1-a
Exercise 2:

1. Beam
2. Force
3. Journal
4. Ball bearing
5. Output shaft

2-c

3-b

4-f

5-d

6-e


6. Rolling contact
7. Transmit
8. Offset
9. Flexible
10. Vibration
PART 2: GRAMMAR
B. Extra Exercises
Exercise 1:

1. give
2. carry
3. use
4. go
5. to maximize| for maximizing
6. replace
7. purchasing
8. buying
Exercise 2:
1. Ago
2. Ahelping
3. Buse
4. Ccutting
5. B use
6. B help
7. A could

8. Ddo
9. Breducing
10. A go
PART 3: LISTENING
Exercise 1:


1. (a) metal sleeve
2. metallic, non-metallic material
3. 2|two
4. bushing|sleeve bearing
5. split
Exercise 2:
1. shafts
2. motion
3. misalignment
4. vibrations
5. loads
PART 4: READING
Exercise 1:
1. transmitting power/ to transmit power
2. 2|two
3. high stresses
4. flexible/ flexible couplings
5. vibration damping
Exercise 2:
1. thrust and radial
2. inner race
3. spin smoothly
4. technologically advanced

5. maintenance and replacement

UNIT 3: I WOULD RATHER …


PART 1: VOCABULARY
B. Extra Exercises
Exercise 1:
1. f
2. g
3. b
4. a
5. d
6. e
7c
Exercise 2:
1. sheave
2. slippage
3. chain drive
4. torque
5. link
6. linear
7. gearset
8. re-tension
PART 2: GRAMMAR
B. Extra Exercises
Exercise 1:
1. C

2. B

Exercise 2:
1. B – choose
2. B – replace
3. A – because of/ due to
4. B – and
5. A – using
6. C – because/ as/ since

3. A

4. A

5. B


7. A – Unlike
8. C – because/ as/ since
9. A – use
10. A – installing
PART 3: LISTENING
Exercise 1:
1. Mechanical drives
2. (Mechanical) power
3. Operation
4. Friction
5. Chaindrives/ gear drives
Exercise 2:
1. right angles
2. helical gears

3. more smoothly
4. slippage
5. two months
Conversation 1.
Engineer 1 (E1). How are the plans for the new transmission system?
Engineer 2 (E2). Pretty good. We need to decide what kind of (1) _______ {gear} to use.
E1. We should use (2) {bevel gears}. The shafts meet at right angles.
E2. That makes sense. But (3) {I’d like to} use helical gears if possible.
E1. Good idea. It’ll reduce noise from the gear (4) {teeth}.
E2. Exactly. They’ll (5) {mesh} more smoothly.
E1. I’ll look for beveled (6) {helical gears}.
Conversation 2.
E1. Hey, Jay. I just finished working on that (1) {belt drive}.


E2. Thanks, Beth. What was wrong?
E1. There was a lot of (2) {slippage}. I re-tensioned the belt.
E2. I see. It was a (3) {v} – {belt}, right?
E1. Yeah. We should replace it soon. We don’t want it to keep slipping on the (4) {sheave}.
E2. Yeah, we don’t want the engine to (5) {break down}, either. How long do you think it’ll last?
E1. I’d say no longer than (6) {two} months.
E2. I’ll put it on the maintenance schedule.
PART 4: READING
Exercise 1:
1. mechanical power transmission
2. wood
3. Belts
4. transmits
5. slip
Exercise 2:

1. T
2. T
3. F
4. F
5. T

UNIT 4: BENEFITS OVERWEIGH DRAWBACKS
PART 1: VOCABULARY
Exercise 1:
1. F
2. D
3. E
4. B
5. A


6. C
Exercise 2:
1. manifold
2. Drafting
3. exploded
4. technical drawing
5. CAD

6. CSG
7. photorealistic
8. prototype
9. PDES
10. final product

PART 2: GRAMMAR
B. Extra Exercises
Exercise 1:
1.

Identify

5. to create

2. Don’t have to
6. generating

Exercise 2:
1. D-easier
2. B-removing
3. B-precise
4. C-more easily
5. C-analyze
6. B-generating
7. B-to view
8. B-imagine
9. C-be converted
10. A-more expensive
PART 3: LISTENING
Exercise 1:
1. excellent
2. PDES, IGES
3. photorealistic rendering
4. prototypes
5. expensive

Exercise 2:
1. design process
2. A model

3. to simulate
7. producing

4.

needs

8 be drawn

to


3. easier
4. A B-rep
5. A prototype
PART 4: READING
Exercise 1:
1. graphical symbols
2. the object
3. design time
4. raster graphics
5. CAD training
Exercise 2:
1. product costs
2. designs
3. prototypes

4. CAD drawings
5. design history
REVISION 1
PART 1: VOCABULARY
1. Questions
2. Volume
3. Confidence
4. Movements
5. Sum up
6. Beam
7. Tapered
8. Flexible
9. output
10. Ball
11. Gear
12. Chain drive
13. Synchronous Rotation
14. Pinion
15. Spur
16. Rendering
17. Non-manifold
18. Prototype
19. technical drawing
20. Manifold
PART 2: GRAMMAR


1. A What
2. C will have
3. A end

4. C completed
5. C gain
6. B help
7. A could
8. D do
9. A passing
10. C stop
11. A Because/Since/As
12. A to use
13. B need
14. D from
15. C choose
16. B to produce
17. C manufacture
18. A make
19. B more
20. B identifying
PART 3: LISTENING
Task 1:
1. destination
2. Align
3. Sleeve-style
4. meet perfectly
5. Beam couplings
Task 2:
1. Bevel
2. Noise
3. More smoothly
4. Re-tensioned
5. avoid break down

PART 4: READING
Passage 1:
1. Project
2. Prototypes
3. traditional drawings
4. models
5. collaborate
Passage 2:
1. (they) reduce friction
2. ball/ ball bearings
3. A cylinder


4.
5.

Radial loads
vehicle hubs
UNIT 5: WHAT CAN BE INCLUDED IN THIS PROCESS?

PART 1: VOCABULARY
B. Extra Exercises
Exercise 1:
1. Drilling
2. Painting
3.Punching
6. Pressing
7. Casting
8.welding
Exercise 2:

1. grind
2. join
3. press
6. shears
7. Extrusion
8.punch
PART 2: GRAMMAR
B. Extra exercises
Exercise 1:
1.
is left
2. is called
Exercise 2:
1. However
2. Because
5. Because
6. However
Exercise 3:
1. B-welded
2. C-can be produced
3. A-As
4. B-can be used
5. A-is turned
6. D-are bolted
7. C-before
8. D-use
9. D-because
10. C-However
PART 3: LISTENING
Exercise 1:

1. design (process)
2. connecting (the) components
3. (A) weld
4. (a) mechanical (solution)
5. weld/ welding (it together)

4.Inspection
9. Turning
4. polish
9. forge

5. Polishing
10. Bolting
5. cast
10. Weld

3. be removed

4. is injected 5. be adjusted

3. Although

4. Although


Exercise 2:
1. maintain
2. 54 minutes
3. Cool
4. Saw blades

5. 240,000
PART 4: READING
Exercise 1:
1. Rapid prototyping
2. metals
3. Assistive layer manufacturing/ ALM
4. Body parts
5. Unique
Exercise 2:
1. Swarf or chips
2. Coolant
3. CAD/CAM software
4. Workpiece
5. rotate


UNIT 6: WHAT DO THESE CODES STAND FOR?
PART 1: VOCABULARY
B. Extra Exercises
Exercise 1: Choose suitable words from the box to fill in the blanks
1. Low-Density Polyethylene
2. Bioplastics
3. Biodegradable
4. Lightweight
5. Pigment
6. Polyvinyl Chloride
7. Stiffness
Exercise 2: Complete each sentence with ONE suitable word/ phrase beginning with the
given letter.
1. Bioplastics

2. Disposable
3. Versatile
4. Plasticizers
5. ABS
6. Pigment
7. Retardancy
8. Recycled
9. Withstand
10. Polyethylene
PART 2: GRAMMAR
B. Extra exercises
Exercise 1: Read the text below about plastic and choose the best choice to fill in each blank.
1. A
2. B
3. C
4. A
5. A
6. C


Exercise 2: Identify the error (A, B, C or D) in each sentence and write the correct words/
phrases.
1. A-can be
2. B-to
3. A-possible
4. C-can be
5. B-meeting
6. B-use
7. A-likely
8. A-used

9. A-can be moulded
10. B-can be cut
PART 3: LISTENING
Exercise 1: Listen about the use of plastic and fill in the blank WITH NO MORE THAN
ONE WORD.
1. Recycled
2. Water
3. Difficult
4. Better
Exercise 2: Listen about different type of plastic and their uses. Answer the questions
with NO MORE THAN TWO WORDS OR A NUMBER.
1. SPI
2. 96%
3. 2/two
4. LDPE
PART 4: READING
Exercise 1: Read the text about Development of Plastics and fill in the table below WITH
NO MORE THAN 3 WORDS AND NUMBERS.
1. 1860s
2. switches
3. Britain/ UK
4. fireproof
5. rigid
Exercise 2: Read the passage about plastics and answer the following questions with NO
MORE THAN TWO WORDS from the passage.
1. easy
2. 3D printing
3. quite complicated
4. Parkesine

5. petroleum
UNIT 7: WHAT DOES PLASTIC MOULDING PROCESS CONTAIN?
PART 1: VOCABULARY
Exercise 1:

electric motor
Exercise 2:
1. moulds
2. Burn
3. nozzle
4. Sink
5. vacuum voids
6. cavity
7. Rotational
8. injected
9. ram
10. Short shots
PART 2: GRAMMAR
Exercise 1:
1. A
2. B
3. C
4. A
5. C
6. A
Exercise 2:
1. C-occur
2. C-is also used
3. B-heated

screw

mould

cylinder

pellets


4. C-that is used
5. B-is pressed
6. A-is pushed
7. A-shows
8. A-seen
9. B-is blown
10. A-is used/ has been used
PART 3: LISTENING
Exercise 1:
1.
2.
3.
4.
5.

plastic shrinkage
plastic volume
along the surface
steam bubbles
dried

Exercise 2:
1.
2.
3.
4.
5.

blows
hopper
Heaters
Melted
Molten

PART 4: READING
Exercise 1:
1. C

2. E

Exercise 2:
1. polymers
2. a mould-maker
3. steel/aluminum
4. three
5. plastic
6. safety

3. B

4. D

5. G

6. F

7. A


UNIT 8: HAVE YOU CHECKED...?
PART 1: VOCABULARY
B. Extra Exercises
Exercise 1.
1-D
4-E
7-C
Exercise 2.
1. semi-annually
2. Maintained
3. consumed
4. refilling
5. condenser
6. Thermostat
7. Interruption
8. Oil renewal
9. Guideway
10. differ
PART 2: GRAMMAR
B. Extra Exercises
Exercise 1:

1. Removing/to be removed
2. Increasing
3. Have you ever cleaned
4. Check
5. Be Maintained
6. Use
Exercise 2:

1. C-have
2. C-replace
3. B-be replaced
4. C-replace
5. B-adjusting

2-G
5-F

3-A
6-B


6. D-check
7. D-wear out
8. A-check
9. A-observing
10. A-make
PART 3: LISTENING
Exercise 1
1. OK
2. black

3. reasonable
4. No
5. looked at
Exercise 2
1. 75
2. technician
3. maintain
4. machines
5. environments
PART 4: READING
Exercise 1:
Task 1:
1. D

2. B

3. A

4. E

6. C

Task 2:
1.
2.
3.
4.
5.

(the) manual

electrical systems
(like) delicate equipment/ with care
expensive
two metal surfaces

Exercise 2:
1. long usage
2. failure
3. corrective maintenance
4. reliability
5. repair


REVISION 2 KEY
(UNIT 5 _ UNIT 8)
PART 1: VOCABULARY
1. shears
2. Extrusion
3. punch
4. forge
5. Weld
6. Polyethylene
7. Bioplastics
8. Biodegradable
9. Lightweight
10. Pigment
11. Polyvinyl Chloride
12. Maintained
13. consumed
14. refilling

15. condenser
16. vacuum voids
17. cavity
18. Rotational
19. injected
20. ram
PART 2: GRAMMAR
1. D =>check
2. B=> be
3. C => have
4. C => leak
5. C=> check
6. C=>can be produced
7. B=>welded
8. D =>use
9. A=>making
10. A=>make
11. A => is pushed
12. A => shows


13. A => seen
14. B => is blown
15. A => is used/ has been used
16. D => to
17. A => can be
18. B => to
19. A => can be moulded
20. A => likely
PART 3: LISTENING

Listening 1:
1.
2.
3.
4.
5.
6.

moulding
plastics
two|2
breaking
forming
shapes

Listening 2:
1. two
2. machine shot size
3. plastic pressure loss
Short talk 2
4. shrinkage
5. surface rigidity
PART 4: READING
Reading 1:
1.
2.
3.
4.
5.

Waste
Coolant| liquid
Lathe
Shear
Three

Reading 2:
1. progress
2. benefits