问题
选择题
下列二氧化碳的用途中，不正确的是
A．用于灭火
B．供给呼吸
C．用作气体肥料
D．生产碳酸饮料
答案
答案：B
题目分析：A二氧化碳具有不燃烧孔不支持燃烧的性质，可用于灭火。此项正确。B二氧化碳不支持呼吸，无法供给呼吸。此项错误。C二氧化碳可促进植物进行光合作用，可用作气体肥料，此项正确。D二氧化碳与水反应生成碳酸，可用于生产碳酸饮料。此项正确。
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下列二氧化碳的用途中，不正确的是
A．用于灭火
B．供给呼吸
C．用作气体肥料
D．生产碳酸饮料
答案：B
题目分析：A二氧化碳具有不燃烧孔不支持燃烧的性质，可用于灭火。此项正确。B二氧化碳不支持呼吸，无法供给呼吸。此项错误。C二氧化碳可促进植物进行光合作用，可用作气体肥料，此项正确。D二氧化碳与水反应生成碳酸，可用于生产碳酸饮料。此项正确。
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| An old lady went out 1 last Sunday. She came to a bank and saw a car near the door. a man got 2 it and went into the bank. She looked into the car, the keys were in the lock. The old lady took the keys and 3 the man to the bank. The man took a gun 4 his pockets, and said to the officers, "Give me 5 money!" But the old lady didn't see this, she went to the man and 6 the keys in his hands and said, "Young man, you are foolish. Never 7 your keys in your car. Someone's going to steal it." The man looked at the old woman for a few seconds. The he took 8 and 9 the bank, got into his car and drove away 10 money. | ||||
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