简述进出口合同中商品检验条款的基本内容。
参考答案：
检验条款包括对检验或复验的时间、地点、检验机构、检验证书种类和关于检验权的规定。
根据下列句子及所给首字母，写出单词的适当形式，每空一词。
小题1:We have three m________ a day. They are breakfast, lunch and supper.
小题2:They took quite a f_______ photos in Guizhou.
小题3:I d_______ playing computer games. I think they are boring.
小题4:I exercise t________ a week, every Wednesday and Friday.
小题5:It is sunny today, so it is not n_________ for you to take an umbrella.
我国现行建筑业营业税率为3%，金融保险业营业税为5%，这种税率具体来说是（）.
A.产品差别比例税率
B.行业差别比例税率
C.地区差别比例税率
D.幅度比例税率
