问题
选择题
下列数据基本符合实际情况的是
A．一张普通打印纸厚度约为2cm
B．一个标准足球的直径约为1dm
C．一名中学生的质量约为50kg
D．一支粉笔的质量约为400g
答案
答案：C
一张普通打印纸厚度2cm（比实际太厚了）一个标准足球的半径约为1dm
一名中学生的质量约为50kg（跟实际相符）一支粉笔的质量约为400g接近一斤（比实际太重了）
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下列数据基本符合实际情况的是
A．一张普通打印纸厚度约为2cm
B．一个标准足球的直径约为1dm
C．一名中学生的质量约为50kg
D．一支粉笔的质量约为400g
答案：C
一张普通打印纸厚度2cm（比实际太厚了）一个标准足球的半径约为1dm
一名中学生的质量约为50kg（跟实际相符）一支粉笔的质量约为400g接近一斤（比实际太重了）
I went back to China as soon as school was over at the end of June. And I returned to Canada on August 17th. It’s to go back to China this summer, because of the A（H1N1）flu. Everybody seemed to be . The easiest thing for us to do was to wear masks（口罩）on the plane, as my mom suggested. However, it was not to wear a mask for ten hours. I decided to put the masks into my bag wearing them. Everything seemed OK the flight. I saw only five people wear masks all the time. When we arrived in Beijing, some came into the plane and took our temperature. Fortunately, had a fever. Therefore, I was able to get home on time. However, everything went wrong after I got home. I became sick, with a sore throat and a fever because I had not my mom’s words. Luckily, I just had a common . while I was sick in bed, I thought that if I had listened to my mom at first, I would have never caught the cold. It’s always wise to listen to your mom’s suggestions.
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