问题
填空题
现在有3个数：1.2.3，请你再添上一个数，使这4个数成比例，你所添的数是______；
答案
当1：2=3：x时，x=6；
当1：3=2：x时，x=6；
当1：x=2：3时，x=3 2
当1：x=3：2时，x=
；2 3
所以可以添加的数有：6，
，3 2
；2 3
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现在有3个数：1.2.3，请你再添上一个数，使这4个数成比例，你所添的数是______；
当1：2=3：x时，x=6；
当1：3=2：x时，x=6；
当1：x=2：3时，x=3 2
当1：x=3：2时，x=
；2 3
所以可以添加的数有：6，
，3 2
；2 3
Today I’m known for my voice. No one believes that I used to stuttered (口吃) badly when I was young. It is Professor Crouch’s trick that my life completely. One day. after giving my poem to him, I waited for his comment. It didn't come. Instead, as the students gathered together, he challenged me. "Jim, I don't think you wrote this." I him in disbelief. "Why," I started, anger flooding me, "of course I ! "Well, then," he said, "you've got to prove it by getting up and reciting it memory." By then the other students had settled at their desks. With knees shaking, I walked up. For a moment I stood . Then I began, and kept going. I recited my poem all the way through! Afterwards, Professor Crouch congratulated me, and me to read other writers' poetry publicly. Before long I discovered I did have a(n) and found my fellow students actually looked forward to hearing me recite.
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