如图，给正五边形的顶点依次编号为1，2，3，4，5．若从某一顶点开始，沿正五边形的边顺时针方向行走，顶点编号的数字是几，就走几个边长，则称这种走法为一次“移位”．如：小宇在编号为3的顶点上时，那么他应走3个边长，即从3→4→5→1为第一次“移位”，这时他到达编号为1的顶点；然后从1→2为第二次“移位”．若小宇从编号为2的顶点开始，第81次“移位”后，则他所处顶点的编号是____．

请找出下列各组划线部分读音与其他三个不同的单词。

①____ A. race    B. any    C. state    D. save

②____ A. forget    B. remember   C. relax    D. pet

③____ A. wish    B. miss    C. child    D. American

④____ A. other    B. follow    C. stop     D. lot

⑤____ A. just    B. cut    C. luck    D. cute

为了研究晚餐吃得过饱对健康成年人血压和胰岛素水平的影响，某研究小组选取若干头作息时间调整得与人类相似的、生理状况也相似的健康成年猪为材料，设计实验进行了研究。

其他实验材料：血压测试仪；胰岛素含量检测仪；普通猪饲料等条件(检测不影响猪的正常生理且具体如何检测不作要求)。

    Hello everyone! I'm Lucy. My parents love travelling with me. We have been in Australia____ three days. We're having a ____ time here. Australia is ____ sixth largest country in the world. There is too much to see. And it is impossible for me to tell you ____. Sydney is a beautiful city. There are both many trees ____beautiful flowers around the houses and they look really beautiful. There are also some special ____ in Australia, such as kangaroos and koalas. They are really lovely.

    During the past three days, we've visited many ____ of interest around Sydney. I'd like to spend more time here, but we will fly to ____city, Cairns, to see coral reefs(珊瑚礁) tomorrow. People say that words cannot tell the beauty of the colorful coral. Many famous cartoon films were made there. Now we are busy packing our bags. We will enjoy____ in Cairns this time tomorrow. I'm looking ____ to going there!