皮皮学，免费搜题
登录
搜题
【单选题】
2008年4月18日，总投资2200亿元的京沪高速铁路全线开工，它是我国第一条具有世界先进水平的高速铁路，据此结合图回答27题。 京沪高速铁路经过的自然带依次是温带落叶阔叶林带和亚热带常绿阔叶林带，这体现的地带分异规律是A.
经度地带分异规律
B.
纬度地带分异规律
C.
垂直地带分异规律
D.
地方性分异
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What happens to the Internet and TV when the digital broadcasting system is adopted?
A.
They are being alienated.
B.
They are interdependent.
C.
They arebecoming distinctive.
D.
They are becoming similar.
【简答题】完形填空。 The Voice of America began during the World War ?, when Germany was broadcasting a radio program to get international 1 . American officials believed they should 2 the German broadcast with word...
【简答题】The Voice of America began during the WorldWar II . When Germany was broadcasting a radio program to get international ___1___ , American officials believed they should ___2___ the German broadcast wi...
【单选题】When did regular television broadcasting become widespread in America?
A.
late 1930s
B.
late 1940s
C.
late 1950s
D.
late 1960s
【多选题】关于反应级数的各种说法中不正确的是( )
A.
只有基元反应的级数是正整数
B.
反应级数不会小于零
C.
反应总级数一定大于对任一反应物级数
D.
反应级数都可通过实验来确定
【简答题】（文科）设向量 a =（cos23°，cos67°）， b =（cos68°，cos22°）， u = a +t b （t∈R），则| u |的最小值是______．
【简答题】应对光伏产业中国制造2025的升级之路如何全面提升自己的综合专业能力?
相关题目：