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Ten-year-old Lena Draper decided to reac...

Ten-year-old Lena Draper decided to reach out to the Marion Police Department on Facebook after getting stuck on the maths questions. Instead of ignoring her request, Ohio officer Lieutenant B. J. Gruber did his best to lend a hand.

Lena informed the policeman that she was stuck on the problem(8+29)×15. He quickly responded: ”Do the numbers in the parentheses(括号) first so in fact it would be 37×15.”

After settling the first question, Lieutenant Gruber was given a more difficult task. Lena asked him for the answer to (90+27)+(29+15)×2. The confident officer responded with what he believed to be the correct answer, advising: ”Take the answer from the first parentheses plus the answer from the second parentheses and multiply that answer by two. Work left to right doing the work in parentheses first.”

But embarrassingly, Facebook users were quick to notice that his maths solving didn’t quite add up. To solve the problem, you must actually add the numbers in the second parentheses and multiply the answer by two, before adding the numbers in the first set of brackets.

Lena’s mum Molly said, ”I didn’t believe her at first. I thought it was pretty funny. I was happy, but not surprised that they responded so quickly. They are wonderful with their communication with the community.”

After Lieutenant Gruber was told about the mistake, he joked: “Hoping it is truly the thought that counts since obviously I can’t! Especially since the answer was wrong, it was very nice for Molly to recognize our attempt to help her daughter with some maths homework.”

It’s not the first time that adults have been left feeling trapped by a maths assignment aimed at kids.

1.What is the text mainly about?

A. A new job is added to the police

B. A new approach to maths problem-solving

C. The Marion Police Department’s Facebook page

D. A policeman helps a girl with her maths problems

2.According to the policeman, the result of the second problem is      .

A. 205    B. 322

C. 456    D. 555

3.What can we infer from the last paragraph?

A. Some adults are too stupid to help kids with their homework

B. Some homework for children is not as easy as it appears

C. It is stupid for Lieutenant Gruber to make the mistake

D. Kids often ask the police to help them with their homework

 

1.D 2.B 3.B 【解析】文章主要讲述了中尉B. J. Gruber在脸谱网上努力帮助小女孩解决数学问题的故事,虽然答案有点问题,但孩子母亲很感激这位警察。 1.D 主旨大意题。文章主要讲述了中尉B. J. Gruber在脸谱网上努力帮助小女孩解决数学问题的故事。故选D. 2.B 推理判断题。根据第三段Take the answer from the first parentheses plus the answer from the second parentheses and multiply that answer by two.可知中尉认为解题方法是:第一个括号的计算结果加上第二个括号的结果再乘以二,即(90+27)+(29+15)=161,161×2=322.故选B. 3.B 推理判断题。最后一段It’s not the first time that adults have been left feeling trapped by a maths assignment aimed at kids.表明现在一些给孩子们的作业并不像看起来那么简单,故选B.
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