问题
不定项选择题
下列解释不科学的是 [ ]
A．将煤气化为水蒸气再使用的目的主要是为了减少二氧化碳的排放
B．水滴石穿主要是溶解了二氧化碳的水与碳酸钙长期作用生成碳酸氢钙的缘故
C．墙内开花墙外香的微观原因是分子的不断运动
D．严格地讲使用通风橱是不负责任的，因为实验产生的有害气体未得到转化和吸收
答案
答案：A
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下列解释不科学的是 [ ]
A．将煤气化为水蒸气再使用的目的主要是为了减少二氧化碳的排放
B．水滴石穿主要是溶解了二氧化碳的水与碳酸钙长期作用生成碳酸氢钙的缘故
C．墙内开花墙外香的微观原因是分子的不断运动
D．严格地讲使用通风橱是不负责任的，因为实验产生的有害气体未得到转化和吸收
答案：A
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| John Russell, 83 years old, got on a Chicago bus. He saw a sign 1 that senior citizens could ride for half price. When he 2 three quarters (75 cents) into the box, the driver asked 3 his ID card. John took out his ID card. "You need a 4 CTA card," said the driver. John did not 5 the Chicago Transit Authority (CTA) card 6 he lived in New York and was in Chicago 7 his two sons. "Then you need to put in 8 three quarters," said the driver, " 9 get off the bus." Old People are usually very stubborn. John said, "Give me back my three quarters, and I'll 10 ." "I 11 - it's in the box. If you don't get off, I'll call the 12 ," said the driver, and he did. Two police cars pulled up. John and the driver told the police their 13 . "That's why you called?" one policeman asked the driver. The other policeman then said to John, "I'll give you three quarters." John shook his head, "Why should you give me the quarters? He should 14 me my three quarters." "Where are you going?" asked the policeman. "Downtown to have lunch with friends," John said. "Come on," the policeman said, "We'll get you your card." So they took him downtown to the CTA office. But the people there wouldn't give him a CTA card-he needed a(n) 15 . "What about his three quarters?" one policeman asked. The officials discussed, and a 16 was made to give John's quarters back. " 17 are you going to get there?" "By bus. And all I'm going to pay is 75 cents." "18 ," the policeman said. John got on a 19 , dropped three quarters in the box, and said, "I'm a senior citizen...." The driver looked at John and 20 . He didn't know how lucky he was to be a wise man. | ||||
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