将工程建设标准分成国家标准、行业标准、地方标准，是按（）进行的分类。
A.发布部门
B.执行程度
C.执行部门
D.标准内容
参考答案：A
小题1:There are many people are playing basketball these._________ ___________
小题2:Could you tell me the different between the two books.__________ ___________
小题3:It was my grandpa’s eighty birthday yesterday._____________ _______________
小题4:Bady,it’s very lazy for you to sleep late every morning.__________ ___________
小题5:I wrote an 800-word’s composition yesterday.___________ ___________
小题6:The fish we caught is still living.__________ ___________
小题7:The Great Wall is one of the most famous building all over the world._______ ______
小题8:If Tom will study hard this term,he will catch up with his classmates.________ ________
