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The Space Age ________ in October 1957 when the first artificial satellite was launched by the Soviet Union. |
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Satellite communications are so up-to-date that even when ________ in the middle of the Pacific, businessmen can contact their offices as if they were next door. |
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When a college tries to be “all things to al people” (Lines 1-2, Para. 1) it aims to ________. |
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The reduction of the possible hazards in food ultimately depends on ________. |
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If the world is to remain peaceful the utmost effort must be made by nations to limit local ________. |
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What is the message the author wants to convey in the passage? |
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By saying “they employ chemical warfare” (Line 4, Para. 2), Bruce Ames means “________”. |
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The word “flip” (Line 6, Para. 2) most probably means “________”. |
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They stood gazing at the happy ________ of children playing in the park. |
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The author considers it impossible to obtain no-risk food because ________. |
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When he tried to make a ________, he found that the hotel that he wanted was completely filled because of a convention. |
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John said that he didn’t quite ________ and asked me to repeat what I had said. |
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