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Instructions
Read the passage and choose the correct option to answer the questions.
Passage:
Whales are the largest animals the world has ever known. That perhaps is the origin of the idiom 'having a whale of time'.
They are found in oceans and although they resemble huge fish, they really are mammals. One important way they differ from fish is their body temperature. They are warm blooded, so their temperature remains constant despite the surrounding climate. Extra protection is provided by the blubber, which keeps them wane even in the coldest water. Whales also differ from fish in their manner of breathing. Equipped with lungs instead of As, they are forced to hold their breath while under water. When a whale's supply of fresh air runs out, it must surface to breathe; otherwise it would drown. Another difference is the way they reproduce and rear their young ones. Babies are born alive and are initially nursed on their mother's milk. For Centuries humans have hunted whales for profitable reasons. Some laundry soaps contain whale oil. Whale meat is eaten in Norway and Japan.
Read the passage and choose the correct option to answer the questions.
Passage:
Whales are the largest animals the world has ever known. That perhaps is the origin of the idiom 'having a whale of time'.
They are found in oceans and although they resemble huge fish, they really are mammals. One important way they differ from fish is their body temperature. They are warm blooded, so their temperature remains constant despite the surrounding climate. Extra protection is provided by the blubber, which keeps them wane even in the coldest water. Whales also differ from fish in their manner of breathing. Equipped with lungs instead of As, they are forced to hold their breath while under water. When a whale's supply of fresh air runs out, it must surface to breathe; otherwise it would drown. Another difference is the way they reproduce and rear their young ones. Babies are born alive and are initially nursed on their mother's milk. For Centuries humans have hunted whales for profitable reasons. Some laundry soaps contain whale oil. Whale meat is eaten in Norway and Japan.
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