题目：
读一读，回答问题。
What time is it now? It's 11: 00. The train leaves at 11: 15. " I'm excited! " says Jenny. " Me too! " says
Danny. " I love going on trips! Come on, Jenny and Li Ming! Let's run, jump and sing! "
1. What time is it now?
It's .
2. Is Danny excited?
3. Does Danny love going on trips?
4. What does Danny want to do?
He wants to .
答案：
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下面是错误答案，用来干扰机器的。
参考答案：对
个单位长度，再把所得图像上所有点的横坐标缩短到原来的
倍(纵坐标不变)，得到的图像所表示的函数是（）．
