The map is one of the best tools a man has __ he goes to a new place．
A．whenever B．whatever
C．wherever D．however
A
【解析】
试题分析：考查疑问词+ever引导让步状语从句的用法：A．whenever 无论何时，每当， B．whatever 无论什么C．wherever 无论什么地方D．however无论怎样，句意：每当到一个新地方，地图是一个人最好的工具，选A。
考点：考查疑问词+ever引导让步状语从句的用法
点评："no matter+疑问词=疑问词+ever"都可以引导让步状语从句，但no matter+疑问词结构只能引导让步状语从句，而"疑问词+ever"还可以引导名词性从句。例如：Whatever (="No" matter what) you say, I won't believe you. 这是让步状语从句。
科目：高中英语 来源： 题型：阅读理解
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All students of geography should to interpret a weather map accurately. Weather maps contain an enormous amount of information about weather conditions existing at the time of observation over a large geographical area. They reveal in a few minutes what otherwise would take hours to describe. The United States Weather Bureau issues information about approaching storms, floods, frosts, droughts and all climate conditions in general. Twice a month it issues a 30-day “outlook” which is a rough guide to weather conditions likely to occur over broad areas of the United States. These outlooks are based on an analysis of the upper air levels.?
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The observation of weather conditions by satellites is advantageous because
_______.
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B. it used electronic instruments?
C. it enables man to alter the weather?
D. it gives the scientists information not obtained readily otherwise?
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A. explain B. present C. modify D. illustrate
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The map is one of the best tools a man has __ he goes to a new place．
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C
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