Unit 10 - (Vocabulary + Exercise + Key) - NTH

English 12 ( Ban Co Ban) Unit 9: Vocabulary Mrs. Hung
UNIT 9: DESERTS
I. Vocabulary
No Words and phrases Pronunciation Meaning, eg.
1.
Endangered species
2.
Extinct (a)
3.
Extinction (n)
4.
To threaten
5.
To identify
6.
To destroy → Destruction (n)
7.
Commercial (a)
8.
To exploit → Exploitation (n)
[iks'plɔit]
9.
To pollute → pollution (n)
10.
Drainage (n)
11.
Wetland (n)
12.
Urbanization (n) → urbanize (v)
[,ə:bənai'zei∫n] → ['ə:bənaiz]
13.

construction (n) → to construct
14.
Worldwide (a)
15.
Contaminated (a) = polluted (a)
16.
Biodiversity (n)
17.
To maintain
18.
Diversity (n) = variety (n)
19.
Fertile (a) → fertility (n)
20.
To fertilize → Fertilizer (n)
21.
Fertilization (n)
22.
To benefit
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English 12 ( Ban Co Ban) Unit 9: Vocabulary Mrs. Hung
23.
Vulnerable (a)→ Vulnerability (n)
24.
To enact = to legislate
25.
Reserve (n) → to reserve
26.
to establish = to set up
27.

Trade (n – v)
28.
To hunt → over hunt
29.
Range (n)
30.
To survive → survival (n)
31.
Balance (n-v) → balanced (a)
II. CHOOSE THE BEST MODAL TO COMPLETE EACH OF THESE
SENTENCES
1. I'm not sure. I ………… come a few minutes late.
a. may b. must c. mightn't d. needn't
2. Bring your umbrella. It ……… rain later today.
a. must b. may c. might d. b & c
3. – What are you doing this weekend \?
– I haven't decided yet. I ……….. go on a picnic with my family.
a. may b. may not c. must d. needn't
4. I think we ………… be on time for the meeting after all, so don't worry.
a. must b. need c. may d. shouldn't
5. – Do you think they will come today?
– Well, they ………. come today. But I think they'll want to look around first.
a. must b. needn't c. might d. can't
6. You ………. wash the car. I just had it done yesterday.
a. mustn't b. needn't c. might d. can't
7. "Have you seen Jack?" – "No. but he …….. be studying in the laboratory."
a. must b. should c. needn't d. may
8. It's secret. You ……….. let anyone know about it.
a. mustn't b. needn't c. mightn't d. may not
9. "I didn't have time for breakfast this morning."

"You ……….. be very hungry now"
a. might b. may c. must d. a and b
1. She ___ be ill. I have just seen her playing basket ball in the school yard.
a. needn't b. shouldn't c. mustn't d. can't
2. Hiking the trail to the peak ______ be dangerous if you are not well prepared for
dramatic weather changes. You _______ research the route a little more before you
attempt the ascent.
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English 12 ( Ban Co Ban) Unit 9: Vocabulary Mrs. Hung
a. might / can b. may / mustn't c. can / should d. must / needn't
3. Peter has been working for 10 hours. He _______ be very tired now.
a. needn't b. must c. has to d. should
4. He is unreliable. What he says _______ be believed.
a. cannot b. must not c. may not d. might not
5. I _______ find my own way there. You _______ wait for me.
a. should / can't b. have to / must c. can / needn't d. might/mustn't
6. I was reading the book last night before I went to bed. I never took it out of this
room. It ____ be lying around here somewhere. Where ___ it be?
a. might / needn't b. can / should c. shouldn't / may d. must / can
7. When you have a small child in the house, you ______ leave small objects lying
around. Such objects _______ be swallowed, causing serious injury or even death.
a. should / must b. should not / might c. needn't / may d. mustn't / can't
8. Frank's wallet is lying on the coffee table. He _______ it here last night.
a. must have left b. should have left c. must be leaving d. needn't leave
9. Jenny's engagement ring was precious! It _______ have cost a fortune.
a. must b. should c. can d. needn't
10. You __ take your umbrella along with you today. It _ rain later on this afternoon
a. ought to / mustn't b. needn't / will c. will / must d. should/might
20. I _______ be at the meeting by 10:00. I will probably _______ take a taxi if I want
to be on time.

a. must/ have to b. mustn't / shouldn't c. should / needn't d. may / must
21. You _______ forget to pay the rent tomorrow. The landlord is very strict about
paying on time.
a. needn't b. mustn't c. do not have to d. may not
22. The television isn't working. It _______ during the move.
a. should have been damaged b. needn't be damaged
c. must have been damaged d. ought not be damaged
23. I am not deaf. You _______ shout.
a. must b. mustn't c. need d. needn’t
24. John failed again. He _______ harder.
a. must have tried b. should have tried c. can tried d. may have tried
25. _______ I borrow your lighter for a minute?
- Sure, no problem. Actually, you _______ keep it if you want to.
a. May / can b. Must / might c. Will / should d. Might / needn’t
26. I do not mind at all. You _______ apologize.
a. shouldn't b. needn't c. mustn't d. oughtn't to
27. Ted's flight from Amsterdam took more than 11 hours. He _______ exhausted after
such a long flight now.
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English 12 ( Ban Co Ban) Unit 9: Vocabulary Mrs. Hung
a. must be b. must be being c. must have been d. should have been
28. The lamp _______ be broken. Maybe the light bulb just burned out.
a. should not b. might not c. must not d. will not
29. It is a top secret. You _______ tell anyone about it.
a. mustn't b. needn't c. mightn't d. won't
30. We have plenty of time for doing the work. We _______ be hurried.
a. needn't b. shouldn't c. mustn't d. mayn't
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English 12 ( Ban Co Ban) Unit 9: Vocabulary Mrs. Hung
III. GIVE THE CORRECT WORD FORM

1. _______ is a branch of Natural Science, and is the study of living organisms and
how they interact with their environment. (biological)
2. A / an _____ species is a population of an organism which is at risk of becoming
extinct. (danger)
3. Only a few of the many species at risk of extinction actually make it to the lists and
obtain legal _______. (protect)
4. World Wide Fund for Nature was formed to do the mission of the preservation of
biological diversity, sustainable use of natural resources, and the reduction of and
wasteful consumption. (contaminate)
5. Almost half of turtles and tortoises are known to be threatened with ____. (extinct)
6. Current extinction rates are at least 100 to 1,000 times higher than _______ rates
found in the fossil record. (nature)
7. It is reported that humans are the main reason for most species' declines and
habitat _______ and degradation are the leading threats. (destroy)
8. The world's biodiversity is declining at an unprecedented rate, which makes
wildlife _______. (vulnerability)
9. Humans depend on species to provide food, clean air and water, and
fertile soil for agriculture. (diverse)
10. ______ is the protection of environment and natural resources. (Conserve)
11. Hunting for meat and burning forests for soil cause to wildlife. (destroy)
12. Farmers make their soil more productive by distributing ______. (fertile)
13. They eventually realize that reckless _______ of the earth's resources can lead only
to eventual global disaster. (exploit)
14. Chemical wastes from factories are _______ that cause serious damage to species
habitats. (pollution)
15. The houses were unfit for human . (habitat)
16. Do you know the of newborn babies to disease? (vulnerable)
17. His collection of plants contains many . (rare)
18. Exporting is necessary for our economic . (survive)
19. The campaign is intended to heighten public of the importance of eating a

healthy diet. (aware)
20. Flowers are often by bees as they gather nectar. (fertile)
Mother’s devotion is as immense as water in the sea
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