16．
First lady Michelle Obama has some advice for some Tennessee High School graduates：Strike your own path in college and life and work to overcome（克服） difficulties with determination and courage．
The first lady told the 170graduates that she spent too much of her own time in college focusing on academic achievements．While her success in college and law school led to a good job，she said，she ended up leaving to focus on public service．
"My message to all of you today is this：Do not waste a minute living someone else's dream．"she said．"It takes a lot of real work to discover what brings you joy…and you won't find what you love simply by checking boxes or padding your GPA（夸大成绩）．"
She said the school reminded her of her own high school experience in Chicago．"My No.1goal was to go to a high school that would push me and challenge me．"she said．"I wanted to go somewhere that would celebrate achievement，a place where academic success wouldn't make me a target（目标） of laughing at or bullying，but instead would be a badge of honour（荣誉的象征）．"But Mrs．Obama said pitifully that not all students have the same opportunities．"Unfortunately，schools like this don't exist for every kid，"she said．"You are lucky．"
The first lady told graduates that failure may be a part of their college lives and careers，and that how they respond to any difficulties will define them．"That's when you find out what you're really made of in those hard times．"she said．"But you only do that if you're willing to put yourself in a position where you might fall．"
Overcoming difficulties has been the hallmark（特征） of many great people，she said．"There's this guy Barack Obama…he lost his first race for Congress，and now he gets to call himself my husband．"The first lady joked："I could spend a whole afternoon talking about his failures．"
56．What's the purpose（目的） of Michelle's visit to Tennessee High School？D
A．To give a speech to the graduates．
B．To help Obama win respect．
C．To welcome new students．
D．To give the graduates some advice．
57．According to Michelle，C．
A．it's enough for the students to study well at school
B．she was a target of laughing at or bullying when studying at school
C．it's lucky for the students to study at Tennessee High School
D．most great people met with difficulties on their way to success including Obama
58．Why did Michelle mention Obama in the last paragraph？B
A．To make the students know more about Obama．
B．To offer an example of overcoming difficulties．
C．To give advice on how to be a great man．
D．To talk about his failures．
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