问题
选择题
一种商品，降价50元后，卖250元，比原价降低了（ ）
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答案
50÷（250+50），
=50÷300，
≈16.7%．
答：比原价降低了16.7%．
故选：C．
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一种商品，降价50元后，卖250元，比原价降低了（ ）
|
50÷（250+50），
=50÷300，
≈16.7%．
答：比原价降低了16.7%．
故选：C．
It’s Charlie’s birthday today, but he isn’t feeling happy. No one wishes him a happy birthday. Mother says nothing about his birthday. She just tells Charlie to play outside. At lunchtime, his mother calls, “Come in for lunch, Charlie!” Charlie slowly walks into his house. But the living room looks different. Charlie sees a big “Happy Birthday” banner(横幅). Then, he sees a birthday cake, balloons, presents, and all of his friends. “Happy birthday!” everyone shouts. Charlie’s face lights up. He is happy and surprised(吃惊). No one forgets his birthday after all! 小题1:What is this story about?
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