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Directions (Q.Nos. 21-30 ) Some of the words have been left out. First read the passage over and try to understand what it is about. Then, fill in the blanks with the help of the alternatives given.
Something has happened in the last twenty years that surely must (21) anything that has happened before. Some historians are already saying that thrust (22) space represents a vital turning point in history. Moon flights are considered (23) less than steps in human evolution (24) to the time when life on earth emerged from the sea and established itself on land. Of course, not everyone (25) enraptured by space. Critics have Often said that space flight has been an (26) use resources that should have (27) to feeding, clothing and housing people. There is, however, no proof that if we had (28) been working on space, we would have done anything of great human value. In fact, research and exploration have a (29) spin-offs, quite apart from the fact that they demonstrate that (30) is alive and insatiably curious.
Something has happened in the last twenty years that surely must (21) anything that has happened before. Some historians are already saying that thrust (22) space represents a vital turning point in history. Moon flights are considered (23) less than steps in human evolution (24) to the time when life on earth emerged from the sea and established itself on land. Of course, not everyone (25) enraptured by space. Critics have Often said that space flight has been an (26) use resources that should have (27) to feeding, clothing and housing people. There is, however, no proof that if we had (28) been working on space, we would have done anything of great human value. In fact, research and exploration have a (29) spin-offs, quite apart from the fact that they demonstrate that (30) is alive and insatiably curious.
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