解析： 推理判断题。根据第一段第二句I used to teach a course about the differences between the two可推出作者可能当过老师。
答案： C
8．In the author’s opinion，________.
A．language differences don’t affect understanding B．the same words in the two different types of English may have different spellings C．there will be fewer differences between American and British English in the future
D．it is impossible that some Americans get off on the wrong floor in British hotels
解析： 细节理解题。根据第一段We have examples of the same words having very different meanings，differing spellings of the same words可知B正确。
答案： B
9．What can we learn from the passage?
A．“Elevator” is commonly used in the UK.
B．Pies mean the same thing in the UK and the US.
C．In the UK，things are measured in pounds and ounces.
D．British and American people drive on the same side of the road.
解析： 细节理解题。根据第二段Most things are measured in grams and kilograms in the US，not pounds and ounces可知C正确。
答案： C
10．Which of the following is WRONG according to the passage? A．Petrol in the UK is gas in the US. B．Fries in the US are chips in the UK.
C．A cookie in the US is a biscuit in the UK.
D．A gas station in the UK is a garage in the US.
解析： 细节理解题。根据第三段The place where we fill up our cars，in the UK，is a garage；while in the US，it’s a gas station可知D项错误。
答案： D
