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图3是南美洲略图，欲从哥伦比亚首都圣菲波哥大搭乘飞机飞往巴西首都巴西利亚。

飞机沿途将飞越
①巴西高原，②亚马孙平原，③安第斯山脉，其飞越顺序为（）

A.①②③
B.②①③
C.③②①
D.②③①

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听力原文： About 70 million Americans are trying to lose weight. That is almost 1 out of every 3 people in the United States. Some people are on a diet. This means they eat less of certain foods, especially fats and sugars other people exercise with special equipment, take medicine, or even have operation. Losing weight is hard work, and it can also cost a lot of money. But why do so many people in the United States want to lose weight? Many people in the United States worry about not looking young and pleasant. For many people, looking good means being thin. Other people worry about their health. Many doctors say being overweight is not healthy. But are Americans really fat?Almost 30 million people in America weigh at least 20 percent more than their proper weight. In fact, the United States is the most overweight country in the world.(23)A．To take much exercise.B．To eat less fats and sugars.C．To work hard.D．To have surgery.
A.
(23)
A．To
B.
B．To
C.
C．To
D.
D．To
E.
单项选择题
A．Because they want to keep fit.B．Because they want to look pleasant.C．Because they are misled by doctors.D．Both A and B.
A.Because
B.
B．Because
C.
C．Because
D.
D．Both
E.
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