下列数据库技术的术语与关系模型的术语的对应关系中正确的是 ______。A．记录与属
题型：单项选择题
问题：
下列数据库技术的术语与关系模型的术语的对应关系中正确的是 ______。
A．记录与属性
B．字段与元组
C．记录类型与关系模式
D．实例与关系
题型：单项选择题
阅读下面短文，并借助上下文和插图补充所缺信息。每个空格只能填写一个形式正确、意义相符的单词。请将答案填写在答题卡相应题目的答题位置上。
Last Sunday,my classmates and I went to Guishan Hill for a picnic.The小题1:______ was fine and all of us were excited and happy.We went there by 小题2:_______ with fruit,eggs,meat,
vegetables,cookers and some other things.
About an hour later,we 小题3:_______ at the foot of the hill.There was s big lake and many green trees.Birds were singing songs.How wonderful they were!At noon all of us were busy preparing 小题4:_________ the picnic.Some of us were getting the water,some were cooking,and小题5:_________ were putting a big cloth on the grass.At one o’clock in the afternoon,the lunch was
小题6:________.
After lunch,we 小题7:________ a great time singing,dancing,drinking and talking.小题8:_______ three 0’clock,we began to climb the hill.The hill was quite high,but we all tried to 小题9:________ to the top of it.On the 小题10:________ of the hill,we felt that we were much closer to the sky,and we saw the flying birds more clearly.