阅读理解：

　　The people in the United States speak the same language as the people in Great Britain. However, American English is different from British English in many ways. There are a few differences in grammar. For example, speakers of British English say“in hospital”and“Have you a pen?”While Americans say“in the hospital”and“Do you have a pen?”Pronunciation is sometimes different. Americans usually sounds the“r”in these words. Some spellings are different. People in Britain write“colour”and“centre”, but people in the United States write “color”and“center”. Some words are different. People in the United States use“gasoline”but people in Britain use“petrol”.

1．American English and British English are different in ________.

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2．“Gasoline”and“petrol”are ________.

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A．the same thing

B．different in colour

C．different kinds of cars

D．different things

3．Which of the following statements is true?

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A．All the people in the United States pronounce the“r”in “bird”.

B．Not all the people in the United States pronounce the“r”in “bird”.

C．None of the British people pronounce the“r”in“bird”.

D．If a man pronounce the“r”in“bird”, he must be an American.

4．Here are four words: ①honor, ②petrol, ③theatre, ④center. ________ are American English.

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5．Which of the following is the main idea of this passage?

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A．Words are shorter in American English than in British English.

B．America and Great Britain.

C．Pronunciation is more difficult in American English than in British English.

D．There are some differences between American English and British English.