问题
单项选择题
乙烯开车方案优化的最终目的是为了获得（）。
A．最安全的开车过程
B．最佳的经济效果
C．最短的开车时间
D．最高的产品合格率
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
乙烯开车方案优化的最终目的是为了获得（）。
A．最安全的开车过程
B．最佳的经济效果
C．最短的开车时间
D．最高的产品合格率
参考答案：B
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| I was doing some cleaning and my kids were helping.Suddenly, I found a small box with a __1__ inside.I looked at it and was immediately __2__ to another time. In 1991, I spent five months in Niger, an African country.There were many things I found __3__ about this place-the terrible climate and beggars who noisily shouted "Cadeau!Cadeau!"It means a gift. But something even __4__ happened.One day, a friend and I __5__ neighboring Burkina Faso. Arriving by taxi at our destination in Burkina, we began to unload (卸下) our luggage.However, out of the darkness, a motorbike with two men __6__ slowly, and without warning, one of the men __7__ my package as the motorbike came close by.Within seconds, the pair were out of sight, swallowed up by the __8__.In the bag there was my passport, money, an airline ticket and some other things.I was in deep __9__.In the weeks that followed, I protected the rest of my valuables and disbelieved in all __10__. All I wanted was to leave this place.Another day, I was stopped by an old woman."Cadeau! Cadeau!"she cried.I'd had enough!I told her __11__, "I have no money.Two thieves took away all my money and how I can't get out of your country."The beggar listened carefully and __12__ my words. "Then I will give you a cadeau, "she said.Kindly, she __13__ an old brown coin in my hand.I looked at it in shock.Although living in poorness, she was still able to give me something that was __14__ to her!I saw then the __15__ beauty of the people of Burkina Faso and appreciated deeply the quiet dignity (尊严) of the poor.With one small coin, she turned my thought upside down. | ||||
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