UNIT 9: UNDERSEA WORLD
I/ Choose the one or phrase that best completes each sentence.
1. Some marine animals are dangerous to humans.
a. living in the mountain b. living in the ocean c. living in the forest d. living in the house
2. The floor was covered in tiny pieces of paper.
a. unimportant b. many c. very large d. extremely small
3. We had an accidental meeting with an old friend at the party last night.
a. unpleasant b. unexpected c. unlucky d. unacceptable
4. How many offspring does a sperm whale usually have?
a. eggs b. mammals c. babies d. diets
5. He is always interested in the mysteries that lie beneath the blue depths of the ocean.
a. over b. under c. above d. on
6. ________ is the variety of different types of plant and animal life in a particular region.
a. Interaction b. Herbicide c. Environment d. Biodiversity
7. John’s father is a _____________________ scientist. He studies life in the sea.
a. marine b. undersea c. submarine d. organism
8. Some tiny organisms are ________ along by the currents.
a. carried b. taken c. flowed d. moved
9. Sperm whales are ________, which means they eat meat.
a. herbivores b. carnivores c. omnivores d. mammals
10. Seventy-five percent of the earth’s _________are covered by sea and oceans.
a. face b. flat c. resurface d. surface
11. In some countries, teenagers can live from their parents if they want.
a. dependently b. independence c. independent d. independently
12. Oil spills are a great ____________ to the undersea world.
a. threat b. threaten c. threatened d. threateningly
13. The teacher had divided the students ___________ small groups before they did their task.
a. of b. for c. into d. in
14. Some people are still hunting the whales _________ food, medicine, and other products.
a. on b. for c. to d. with
1. Marine life would be ______ stake if the sea biodiversity were not maintained.
a. for b. on c. at d. in
II/ Grammar:
1/ Use should or shouldn’t with a correct verb from the list to complete the sentences:
take play look for have give up go (x 2) apply
- I think this job is suitable for you. You …………………..for this job. Should apply
- Why are you looking so tired? You ………………..a rest. Should take
- This work is exhausting you. You ………………….another job. Should look for
- To plays game all the time. He never does his homework. He ……………….computer games so much. Shouldn’t play
- Linda has a bad cold. She ………………….out in such bad weather. Shouldn’t go
- Your hair is long. You …………………..it cut. Should have
- Mr Nam has a bad cough. He ……………………..smoking. should give up
- There is a cavity in your tooth. You …………………to a dentist. Should go
2. Conditional Sentence-Type 2:
|
Meaning |
If - Clause |
Main Clause |
|
Present Unreal/ Untrue |
Past simple (V-ed/ V2)
(Be à WERE) |
Would(n’t) + Vbare |
a/ Put the verbs in brackets into the correct tenses:
- If I had a typewriter, I (type) …………..it myself. Would type
- If I (know) …………his address, I’d give it to you. knew
- If he worked more slowly, he (not , make) …………so many mistakes. Wouldn’t make
- I shouldn’t drink that wine if I (be)……………you. were
- More tourists would come to this country if it (have)……………a better climate. had
- If someone (give)……………..you a helicopter, what would you do with it? gave
- If I (win)…………a big prize in a lottery, I ‘d give up my job. won
- What you (do)……..if you found a burglar in your house? Would you do
- If he knew it is dangerous, he (not, come)……… wouldn’t come
- If you (see) ………..someone drowning, what would you do ? saw
b/ Write conditional sentences:
1. They want to build a fire but they don’t have matches
à If… (If they had matches, they would build a fire)
2. I want to call her but I don’t know her phone number.
à If… (If I knew her phone number, I would call her)
3. Tony doesn’t understand the math problem, so he can’t solve it.
à If… (If Tony understood the math problem, he could solve it)
4. I can’t go home now because it is raining heavily.
à If… (I could go home now if it weren’t raining heavily)
5. He doesn’t help her because he doesn’t know her problem.
à If… (He would help her if he knew her problem)
6. The reason why he always makes mistakes is that he is so careless.
à If… (He wouldn’t always make mistakes if he weren’t so careless)
7. It is very windy outside; that’s why I have to take a coat with me.
à If… (I wouldn’t take a coat with me if it weren’t very outside)
IV/ Read the following passage then choose the best answer for each question:
Hundreds of species of marine life manage to survive even in the darkest depths of the ocean. These tenants of the deep have evolved some extremely ingenious devices for locating their food and enemies. Where the light is very dim, some of these deep water species have developed enormous eyes with almost telescopic lenses, very much like those of owls. Others, especially the fish that survive where there is no light at all, are quite blind but have developed long feelers that enable them to identify and collect stray bits of food that come within a considerable radius of them.
Some inhabitants of the deep supply their own light. They have built-in torches that they can switch on and off depending on whether they are pursuing or being pursued.
Some have regular lamps, spots of steady light, which spread a faint glow through the water around them. One deepwater squid can quirt a luminous that cousins nearer the surface to becloud and darken the water. It’s supposed that about half of the varieties of fish living in the dark depths of the ocean have some power of illumination.
1. In order to survive, all species of the deep must be able to….
a. locate food and enemies b. supply their own light c. compensate for the lack of light. d. both a and c
2. Most of the marines species living in the darkest depths have…….
a. learned to live without light b. evolved ingenious devices to help them
c. found ways to supply their own light d. developed extremely sensitive eyes.
3. According to the passage, some species that live where there is no light have…
a. long, sensetive feelers b. luminous fins c. enormous owl-like eyes d. no actual eyes
4. It is supposed that about half of the varieties of fish living in the dark depths have….
a. evolved more than one means of creating light. b. some power of illumination
c. developed extremely sensitive feelers d. almost telescopic eyes.