问题
单项选择题
层燃炉燃烧正常时，其火焰颜色应为（）。
A、红
B、暗红
C、橙
D、白橙
答案
参考答案：C
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层燃炉燃烧正常时，其火焰颜色应为（）。
A、红
B、暗红
C、橙
D、白橙
参考答案：C
My daughter and I went out for some shopping．While I was waiting to ，my daughter asked if she could wait for me at the door． Minutes later she returned to ask if she could give the she had just bought to a man in the street, so there she went and her sweets away．Another 2 minutes later, she again to ask me for something else she could give to the man．I told her that I only had some biscuits for dessert，so she took them to the man and came back with a huge on her face． When we got out of the shop I that the “man”was an old man in his 80's．It tooked like he was going to the night there. We made eye contact(接触)and he thanked us a lot． On the way to the parking lot my daughter wanted to buy a drink for the old man, but I had no ．So I went to the cash machine，took some cash and my daughter gave it to the old man，so he could buy a drink．My daughter was over when she came back from the old man． It was probably my daughter's first random act of ，and that was amazing．
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