UNIT 9
UNDERSEA WORLD
A. MULTIPLE CHOICES:
I/ Choose the word whose underlined part has a different
pronunciation from the others in each group:
1/ A. sea

B. ocea

n C. chea

p D. tea

ch
2/ A. word B. wor

k C. wor

m D. world
3/ A. desks B. parks C. pays

D. effects
4/ A. go

vern B. so

me C. lesso

n D. mo

nth

B. choices

C. pollutes

D. classes
10/ A. oversized

B. cared

C. filled

D. minded

II/ Choose the word whose main stress is placed differently from the
others in each group:
1/ A. mystery B. understand C. overcome D. submarine
2/ A. Atlantic B. paragraph C. Antarctic D. contribute
3/ A. garlic B. manner C. bother D. delete
4/ A. under B. offspring C. offer D. forget
5/ A. undersea B. attitude C. various D. exhausted
6/ A. offend B. insult C. baby D. sparkling
7/ A. inhabit B. natural C. finally D. evidence
8/ A. biodiversity B. international C. sophisticated D.
independently
9/ A. complete B. reveal C. surface D. restrict
10/ A. indication B. understanding C. investigate D.
interaction
III/ Select the synonym of the following bold and underlined word in
each sentence in the unit:
1/ Can you name the sea animal in each picture


the ocean
depths, taking photographs and samples of animal life to bring back
to the surface for further study.
A. trace B. explore C. track D. look for
8/ Understanding the interactions of the ocean and marine life gives
us an indication

of the planet’s health and the effects of human
activity.
A. information B. direction C. contribution D.
evidence
9/ Small or oversized, plant or animal, the ocean’s living things
contribute

to its endless variety, its biodiversity.
A. start B. send C. give D. throw
10/ How can scientists now reveal

the secrets of the ocean and
marine life?
A. announce B. say C. retell D. report
IV/ Select the antonym of the following bold and underlined word in
each sentence in the unit:
1/ For centuries, people have been challenged by the mysteries that lie
beneath the blue depths of the ocean.
A. overhead B. top C. over D. high
2/ For centuries, people have been challenged by the mysteries that lie
beneath the blue depths of the ocean.
A. lengths B. narrowness C. width D. surface

dependant
5/ My grandpa's attitudes are very _______, considering his age.
A. modern B. modernity C. modernize D. modernization
6/ The sea bed _______ here to 5000 meters.
A. deep B. deepens C. deeper D. depth
7/ You've got to try to keep _______ as you grow older.
A. act B. active C. action D. actor
8/ He would never do anything to _______ the lives of his
children.
A. danger B. dangerous C. endanger D. endangered
9/ If the product doesn't work, you are given the _______ of a
refund or a replacement.
A. choice B. choose C. chooser D. choosing
10/ We saw a quick film showing the various stages in the
_______ of glass.
A. produce B. producer C. products D. production
VI/ Choose the correct words to complete the sentences:
1/ You _______ be ashamed of yourselves.
A. could B. should C. did D. would
2/ The doctors are doing all that they _______, but she's still not
breathing properly.
A. can B. could C. shall D. might
3/ We _______ to have agreed without knowing what it would
cost.
A. shouldn’t B. couldn’t C. didn’t D. oughtn't
4/ He said he _______ see his brother the next day.
A. ought to B. should C. would D. must
5/ Cars _______ park in front of the entrance.
A. mustn't B. didn’t have to C. couldn’t D.
didn’t need


the price is (D) acceptable

.
7/ “My brother doesn’t think (A) he’ll find a job.” “He (B) should be
anxious, (C) with all his education (= he does not need (D) worrying).”
8/ (A) In order that training (B) should be efficient (C) there must be
intended (D) systematically.
9/ We (A) ought have come (B) to the ballet. (C) It was (D) exciting.
10/ (A) What

do they need their own laptop (B) for

? They (C) can use
(D) me

.
VIII/ Read the following passage carefully, and then select the best
option A, B, C or D to complete it:
Approximately one-third of the Arctic (1) _______ is underlain by
continental shelf, (2) _______ includes a broad shelf north of Eurasia and
the narrower shelves of North America and Greenland. Seaward of the
continental shelves (3) _______ the Arctic Basin proper, which is
subdivided (4) _______ a set of three parallel ridges and four basins (also
(5) _______ as deeps). These features were discovered and explored (6)
_______ in the late 1940s. The Lomonosov Ridge, the major ridge, cuts
the Arctic Basin (7) _______ in half, extending as a submarine bridge
1,800 km (1,100 mi) (8) _______ Siberia to the northwestern tip of
Greenland. Parallel (9) _______ it are two shorter ridges: the Alpha
Ridge on the North American (10) _______, defining the Canada and

column B to make meaningful sentences:

A B
1/ The engineer _____ is my
father’s friend.
A/ which makes them bored to
death.
2/ Mr. Cao and Ms. Ngoc,
_____ have just traveled to
Paris.
B/ who can answer these
questions
3/ The road _____ is not very
long.
C/ which she dropped this
morning.
4/ Our neighbors have nothing
to do, _____.
D/ who constructed that house
5/ Jackie Chang the gentlest man
_____
E/ which is a famous football
club in England.
6/ My roommates will visit the
park _____ before they return.
F/ that ever acted in a lot of
films.
7/ His sister was glad to find the
purse _____.
G/ where there are a lot of

4/ The river froze to a (deep) _______ of over a meter.
5/ Children are encouraged to take an (investigate) _______ approach to
learning.
6/ Disneyworld is one of Florida's major (tour) _______ attractions.
7/ Tyler is remarkably (world) _______-wise for such a young girl.
8/ He never goes out without his security men in (attend) _______.
9/ There's not enough (interact) _______ between the management and
the workers.
10/ Commodity prices can be a useful (indicate) _______ of inflation, he
claimed.
IV/ Complete the second sentence so that it has a similar meaning to
the first one, using the word in brackets:
1/ We might win $ 5000, and then we’d travel to Thailand. (if)
→ We’d travel __________________________________________ $
5000.
2/ His electric fan is not working and he feels hot. (would)
→ If his _______________________________________________ so
hot.
3/ They should give up smoking to protect their health. (would)
→ If they ___________________________________ improve their
health.
4/ Perhaps we would go to Hanoi to visit our friends. (Went)
→ If we ________________________________________ visit our
friends.
5/ I think you should pay attention to the lessons in class. (You)
→ If I _______________________________________ the lessons in
class.
6/ Her brother doesn’t use computer well enough to work for that
company. (Better)
→ If her brother ________________________________ for that

SHOULD, CAN, COULD, MAY, MIGHT, DON’T, DOESN’T, WAS”.
Each word is used only once:
1/ I tried phoning but there _______ no answer.
2/ The train leaves at 8.58, so we _______ be in Scotland by lunchtime.
3/ Why _______ we have lunch together on Friday?
4/ You _______ be ashamed of yourselves.
5/ I brought him some sandwiches because I thought he _______ be
hungry.
6/ Do the best you _______ - I realize the circumstances are not ideal.
7/ They knew there _______ be trouble unless the report was finished by
the next day.
8/ _______ she look lovely in that hat?
9/ The cause of the accident _______ never be discovered.
10/ When I was younger I _______ stay up all night and not get tired.
VII/ Rewrite the sentences using the word in brackets, beginning as
shown:
1/ There’s no point in asking Ms. Hoa to kelp. (worth)
→ It _______________________________________ Ms. Hoa to help.
2/ Linh couldn’t get her parents’ permission to buy a cell phone. (let)
→ Linh’s parents ________________________________ a cell phone.
3/ “Where are you going, Phong?” asked Loan. (where)
→ Loan asked ____________________________________________.
4/ Khanh’s behavior at the party annoyed us. (Khanh)
→ We were _____________________________________ at the party.
5/ It’s a good thing you lent me some money or I would have had to go to
the bank. (you)
→ I would have had _____________________________ some money.
6/ Huy didn’t listen to what his teacher told him. (notice)
→ Huy took ________________________________________ advice.
7/ His sister had to finish the homework and write an assignment as well.

8/ People onboard a ship passing over it would not even notice the
tsunami.
9/ A tsunami is not one wave but a series of waves.
10/ Upon entering shallow coastal waters, however, the waves suddenly
grow rapidly in height.
11/ In the deep ocean, the waves may be only about half a meter (a foot
or two) high.
12/ When the waves reach the shore, they may be 15 m (50 ft) high or
more.
UNIT 9
UNDERSEA WORLD
A. MULTIPLE CHOICES:
I/ Choose the word whose underlined part has a different
pronunciation from the others in each group:
1/ B. ocea

n ; 2/ C. wor

m ; 3/ C. pays

; 4/ C. lesso

n ; 5/ B.
Atlantic
6/ A. gu

n ; 7/ D. supply

; 8/ A. de


5/ A. mustn't ; 6/ A. paying ; 7/ C. ring ; 8/ A. if ; 9/ A. if
10/ C. provided
VII/ Find the one mistake (A, B, C or D) in these sentences and
then correct them:
1/ (A) unless → if ; 2/ (B) saying → to say ; 3/ (C) tell → say
4/ (D) to say → to ask ; 5/ (C) warned → suggested
6/ (A) We’d buy

→ We’ll buy ; 7/ (D) worrying → to worry
8/ (C) there → it ; 9/ (A) ought → ought to; 10/ (D) me

→ mine
VIII/ Read the following passage carefully, and then select the best
option A, B, C or D to complete it:
1/ B. Ocean ; 2/ D. which ; 3/ B. lies ; 4/ C. into ; 5/ A. known
6/ B. beginning ; 7/ D. almost ; 8/ C. from ; 9/ A. to
10/ D. side ; 11/ A. and ; 12/ C. defining ; 13/ B. depth
14/ D. because of ; 15/ D. point
B. USE OF ENGLISH:
I/ Match the sentences, clauses or phrases in column A with the ones in
column B to make meaningful sentences:

1 2 3 4 5 6 7 8 9 10
D H J A F G C I E B
II/ Fill each gap with a suitable word from the list below:
1/ contribute; 2/ breath ; 3/ medical ; 4/ world ; 5/ threatened
6/ surfaced ; 7/ concern ; 8/ sparingly ; 9/ heat ; 10/ couple
III/ Supply the correct form of the word in brackets:
1/ nervous ; 2/ destructive ; 3/ Mysteriously ; 4/ depth
5/ investigative ; 6/ tourist ; 7/ worldly ; 8/ attendance

5/ I would have had to go to the bank if you hadn’t lent me some money.
6/ Huy took no notice of his teacher’s advice.
7/ His sister had to finish the homework in addition to writing an
assignment.
8/ I played football almost every day during my childhood.
9/ Why don’t we go to/ go and visit the museum this afternoon?
10/ Trang had difficulty in concentrating on her lesson because of the
noise.
VIII/ Read the sentences below carefully, and then put them in the
correct order to make a meaningful reading: (Number 1 and number 12
have done first for you)
1 – 3 – 5 – 4 – 6 – 2 – 7 – 9 – 11 – 8 – 10 – 12