【判断题】【消耗次数：1】
颠覆性技术是科技革命和产业变革的率先突破口，历次科技革命都以颠覆性技术创新的出现和成熟为标志，带动产业发展变革、商业模式变革、竞争手段变革，建立新的技术-经济范式。
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正确
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错误
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No sooner________he arrived home than he________to start on another journey.
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has;was asked
②
have;were asked
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had;is asked
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had;was asked
【单选题】
He was prepared to make the ultimate sacrifice, displaying ?bravery that was second to _________.
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none
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neither
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anything
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nothing
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Did you get a dictionary?No. I________,but there were not any________.
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tried;to be left;
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had tried to;leaving
③
tried to;left
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had tried;have left
【单选题】
Look,someone is coming. Guess who it_________be?I think it______be Tom.I dont think it______be_______.
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must;can;must;his
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may;can;must;him
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can;must;can;him
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might;must;can;himself
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I will take my daughter with me when I_______ Shanghai.
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go to
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will go to
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have been to
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have gone to
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It was getting dark. I found a car________in a pool by the side of the road.
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to be stuck
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stuck
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sticking
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stick
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This bright girl______ the truth in front of the enemy.
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didn’t say
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couldn’t speak to
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said
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didn’t tell
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________the front door________,he had to enter the room through the back door.
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Seen;painted
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Seeing;painted
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Being seen;being painted
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Seeing;being painted
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This book is_____that one. But______than that one.
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as difficult as ;expensive
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as more difficult as ; more expensive
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as difficult as ; more expensive
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more difficult as ; as expensive