小麦在分类上隶属的最小单位是（ ）
A．小麦属
B．萝卜属
C．禾本科
D．莎草目
解；生物学家根据生物之间的相似程度，把生物划分为不同等级的分类单位．将生物分为植物界、动物界和其他的几个界．每个界又被分为六个更小的等级．它们由从大到小依次是门、纲、目、科、属、种．“界”是最大的分类单位，“种”是最基本的分类单位．小麦在分类上隶属植物界、种子植物门、单子叶植物纲、禾本目、禾本科、小麦属、小麦种．
故选：A
任务型阅读 （本大题共5小题，每小题1分，共5分） Some birthday customs are quite similar in many parts of the world---- birthday candles(蜡烛), birthday games，and birthday cakes. But some customs are more specific to certain countries. Here are some children talking about their customs. Linda---I am fourteen. I come from Aruba. In our country, Children take something special to school for their classmates and all teachers. Each teacher gives the birthday child a small gift like a pencil, an eraser or a postcard. The birthday child is also allowed to wear special clothes instead of the school uniform. Lucy---I am one year older than Linda. Denmark is my country. A flag is flown outside a window to show that someone who lives in that house is having a birthday. Presents are placed around the child’s bed while they are sleeping so they will see them at once when they wake up. Tom---I am as old as Linda. I am from Brazil. The birthday child receives a pull on the earlobe(耳垂) for each year in my country. The birthday person also gives the first slice of cake to his/her most special friend or relative, usually mom or dad. 根据短文，完成下面表格，每空不超过4个单词，并将其答案写在答题卡中相应题号的横线上。
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