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Sixteen-year-old Maria was waiting in line at the airport in Santo Domingo. She was leaving her native country to join her sister in the United States. She spoke English very well. Though she was very happy she could go abroad, she was feeling sad at leaving her family and friends. As she was thinking all about this, she suddenly heard the airline employee asking her to pick up her luggage and put it on the scales(称). Maria pulled and pulled. The bag was too heavy and she just couldn't lift it up. The man behind her got very impatient. He, too, was waiting to check in his luggage."What's wrong with this girl?" He said, "Why doesn't she hurry up?" He moved forward and placed his bag on the counter, hoping to check in first. He was in a hurry to get a good seat.Maria was very angry, but she was very polite. And in her best English she said, "Why are you so upset? There are enough seats for everyone on the plane. If you are in such a hurry, why can't you give me a hand with my luggage?"The man was surprised to hear Maria speak English. He quickly picked up her luggage and stepped back. Everyone was looking at him with disapproval.171.Maria's story happened().A.when she was leaving AmericaB.on her way back to Santo DomingoC.before she left the USAD.when she arrived at the airport172.You believe that the work of the airline employee mentioned in the story is to()at the airport.A.help carry people's luggageB.ask people to pick up the luggageC.check people's luggageD.take care of people's luggage173."Why are you so upset?" Maria said to the man.She wanted to tell him that he should not be().A.surprisedB.sadC.unhappyD.sorry174."Everyone was looking at him with disapproval." This sentence means that the people around felt().A.worried about MariaB.worried about the manC.sorry for Maria's mannersD.sorry for the man's manners175.The author mentioned Maria's age at the beginning of the story in order to show that().A.she was young but behaved properlyB.she would not have left home aloneC.everyone around her was wrongD.it was not good that nobody offered to help her
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