中级
单选题·You will hear a Chinese ceramics manufacturer talks with an American importer．
·For each question，mark one letter(A。B or C)for the correct answer．
·After you have Listened once．replay the recording．
Amtrak was experiencing a ________in ridership along the lines comprising its rail system.
·For each question，mark one letter(A。B or C)for the correct answer．
·After you have Listened once．replay the recording．
Amtrak was experiencing a ________in ridership along the lines comprising its rail system.
A．upswing
B．downswing
C．steady
参考答案：B进入在线模考
【原文大意】
文中介绍了铁路曾是美国西部的主要交通方式，但是由于汽车数量的增长和航空行业的出现使得铁路旅客的数量在下降，铁路机构采取了一些。告措施来缓解这一现象。
【答案解析】
B。第一句话提到“Amtrak(美国铁路客运 公司)was experiencing a downswing in ridership (客运量)along the lines comprising its rail system．”
文中介绍了铁路曾是美国西部的主要交通方式，但是由于汽车数量的增长和航空行业的出现使得铁路旅客的数量在下降，铁路机构采取了一些。告措施来缓解这一现象。
【答案解析】
B。第一句话提到“Amtrak(美国铁路客运 公司)was experiencing a downswing in ridership (客运量)along the lines comprising its rail system．”
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