下列不属于商检机构对进出口商品实施检验所依据的标准的是()
A.法定标准
B.中度标准
C.较高标准
D.约定标准
参考答案:B
李明同学有写英语日记的习惯,他在单词拼写上遇到一些困难,请大家帮他补充完整。一空一词。(本小题有10题,每小题1分,共10分)
Thursday, September 1st
I’m a Grade 3 student this year. I have made my 小题1: (决定)to be more active in class and work___小题2:___ (努力) than before. I’m not good at history, so I should spend more time on it. If I have any problems that I can’t___小题3:___ (解决), I will ask my teacher for help. Luckily, the new history teacher is___小题4:____(知识渊博的 )and humorous. He has a strange way of making his classes interesting and we students are 小题5:___(有活力的). I’m quite confident in him and myself now. My mother told me not to ___小题6:__(闲聊) on QQ any more. She thought it was 小题7: (浪费)my time. I think I won’t do that again this year.
Sunday, September 18th
It’s Sunday today. The weather is fine. My friend Eric called me to go out for a picnic with him. At first I 小题8: (拒绝)because I was afraid my parents won’t let me do so. But to my great surprise, they acted completely 小题9: (不同地)today. Usually I’m not 小题10: (允许)to do anything they think is not good for study. I felt so excited and had a very pleasant day today.
第36~40题使用如下关系: 客户(客户号,名称,联系人,邮政编码,电话号码) 产品(产品号,名称,规格说明,单价) 订购单(订单号,客户号,订购日期) 订购单明细(订单号,序号,产品号,数量)
假设客户表中有客户号(关键字)C1~Cl0共10条客户记录,订购单表有订单号(关键字)OR1~OR8共8条订购单记录,并且订购单表参照客户表。下列命令可以正确执行的是( )。
A.INSERT INTO订购单VALUES(’OR5’,’C5’,{’2008/10/10})
B.INSERT INTO订购单VALUES(’OR5’,’Cll’,(’2008/10/10))
C.INSERT INTO订购单VALUES(’OR9’,’Cll’,{’2008110/10})
D.INSERT INTO订购单VALUES(’OR9’,’C5’,{’2008/10/10})