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. ocean C. cheap D. teach
2/ A. word B. work C. worm D. world
3/ A. desks B. parks C. pays D. effects
4/ A. govern B. some C. lesson D. month
5/ A. Pacific B. Atlantic C. American D. balance
6/ A. gun B. human C. population D. cuter
7/ A. partly B. century C. luckily D. supply
8/ A. depth B. secret C. between D. prefer
9/ A. messages 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?
A. description B. presentation C. scene D. painting
2/ It is divided into five different parts: the Pacific, Atlantic, Indian, Antarctic and Arctic Oceans.
A. individual B. dissimilar C. singular D. many
3/ Together, they cover 75% of our Earth.
A. spread B. curtain C. comprehend D. report
4/ Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools.
A. passed B. run C. flown D. conquered
5/ Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools.
A. summons B. dare C. objection D. stimuli
6/ Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools.
A. complicated B. worldly C. experienced D. aware
7/ They can send submarines and devices to investigate 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
3/ How different a picture we now have of the ocean as the sea has begun to reveal its secrets.
A. public B. opening C. knowledge D. schooling
4/ The plants and animals of the sea fall into three major groups.
A. small B. tiny C. subordinate D. unnecessary
5/ Use water sparingly and keep water clean.
A. many