问题
选择题
两个数的[ ]
A．公倍数的个数是无限的
B．公因数的个数是无限的
C．最小公倍数的个数是无限的
D．最大公因数的个数是无限的
答案
答案：A
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两个数的[ ]
A．公倍数的个数是无限的
B．公因数的个数是无限的
C．最小公倍数的个数是无限的
D．最大公因数的个数是无限的
答案：A
 Tina was a seventeen-year-old girl who always wore a bright smile. She got a serious disease and had to use a walker most of the time. People didn’t speak to __ __ very often. Maybe it was because she looked __ __ and people didn’t know how to come near to her. Tina usually _____ the ice with people she met with a big “Hi”. In one class, I gave the students an assignment (作业) to __ __ a poem. I only made the assignment worth a very small part of their total grade since I knew most of my __ __ wouldn’t do it anyway. In the class, one by one each student __ __ to correctly recite the poem. Finally, annoyed (生气) and half kidding（开玩笑）, I said that the next student who couldn’t recite the poem had to do three push-ups. To my __ __, Tina was next. She used her walker to move to the front of the class. When she recited, she made a mistake. __ ___I could say a word, she threw her walker and started doing push-ups. I wanted to say, “Tina, I was just kidding!” But she __ __, continued the poem and she finished the rest perfectly. When she finished, a student asked, “Tina, why did you do that? It’s not an important assignment!” “Because I want to be like yours! To be __ __ ” Tina said. Silence fell on the whole room when another student cried out, “Tina, we’re not normal! We are teenagers! We get in __ __all the time.” “I know.” Tina said as a big smile spread across her face. The rest of the students laughed, too. Tina got only a few __ __ that day, but she got the love and respect of her classmates. To her, that was worth a lot more than a grade.
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