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You may find out more information about Australian natives through the Internet _______.
A.if possibleB.if necessary
C.if anythingD.if they are necessary
B

试题分析:考查状语从句的省略。当状语从句的主语与主句的主语一致,且状语从句中有系动词be的时候,可以把状语从句的主语和be动词一起省略。如果状语从句中有it is的时候,it is 也可以省略。本题就是在if后面省略了it is;句意:如果必要,请可以从网络上查找一些与澳大利亚有关的信息。故B正确。
点评:状语从句的省略是高考的必考点,当状语从句的主语与主句的主语一致,且状语从句中有系动词be的时候,可以把状语从句的主语和be动词一起省略。如果状语从句中有it is的时候,it is 也可以省略。
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