据此回答下列问题：

下列结论：

①若命题p：∃x∈R，tanx=1；命题q：∀x∈R，x²﹣x+1＞0．则命题“p∧￢q”是假命题．

②已知直线l₁：ax+3y﹣1=0，l₂：x+by+1=0．则l₁⊥l₂的充要条件为$\frac{a}{b}=-3$．

③命题“若x²﹣3x+2=0，则x=1”的逆否命题为：“若x≠1则x²﹣3x+2≠0”；

其中正确结论的序号为____ ．

    Now more and more people in the world are getting fatter. This troubles them a lot. （1）Experts(专家) say that it has a lot to do with our eating habits.
    Our eating habits are very important for good health and a strong body. Most of us like eating sweets and ice cream better than vegetables and rice. Sweets and ice cream are not bad for us if we eat them at the end of a meal. （2）If we eat them before a meal, they may take away our appetite(食欲).
    It's important for us to eat our meal in the same period each day. When we feel worried or excited, we may not want to eat. A long time ago, in England, some judges(法官) often decided whether a man was telling the truth by giving him some dry bread. If the man could not swallow(吞) the bread, it meant that he wasn't telling the truth. Because when a man is worried about something, he will have trouble in swallowing anything dry, because he loses his appetite.

阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

       I remember my first Christmas adventure with Grandma. I remember____(tear) across town on my bike to visit her on the day my big sister dropped the bomb.“There is no Santa Claus.” She laughed. “Even dummies(傻瓜) know that!” I ____(flee) to Grandma because I knew she would be straight with me. She always told the____(true).

“No Santa Claus?” she said. “Ridiculous!Don’t believe____. Put on yourcoat, and let's go.” “Go where, Grandma?” I asked.

____ we walked through the doors of the general store Grandma handed me ten dollars and Said, “Buy something for someone ____needs it. I'll waitfor you in the car.”

      I was only eight years old. Never had I shoppedfor anything all by myself. For a few moments I just stood there,____ (wonder) what to buy, and who____(buy) it for. I thought of everybody Iknew. Then I thought about Bobbie Decker.

      He was my classmate with bad breath and____(mess) hair, and he sat right behind me. He did not have a coat. I knew that because he never went out to play gamesduring the winter. I fingered the bill with growing ____(excite). I would buy Bobbie a coat.