单选题：The high-speed trains can have a major impact on travel pref

题目内容：

The high-speed trains can have a major impact on travel preferences. A．force
B．influence
C．surprise
D．power

参考答案：

答案解析：

The use of new building materials and the introduction of su

The use of new building materials and the introduction of such new technology as

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分类：综合类题型：单选题