题目

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。 Last week I (take) on a difficulttask of showing kindness. The idea came from a few posts on a website. Idecided (reach) out to a few people I hadn't talked to for the pastfew years. One was a cousin, I had lost touch with for 25 years. She was very happy when we got touch. The other two were friends I hadn't talked to in nearly 10 years. It wasreally good to talk to (they) both. With one of them, Ireached out at a great time for him. He had forgotten my name (entire)but remembered I 已知函数f（x）=ax2+2x+c（a、c∈N*）满足：①f（1）=5；②6＜f（2）＜11．（1）求a、c的值；（2）若对任意的实数x∈[12，32]，都有f（x）-2mx≤1成立，求实数m的取值范围．