下列属于Excel电子表格文件的是（）
A: book1.jpg
B: book1.doc
C: book1.xls
D: book1.mdb
A: book1.jpg
B: book1.doc
C: book1.xls
D: book1.mdb
举一反三
- Which of the following are books of prime entry? 1 Sales day book 2 Cash book 3 Journal 4 Purchase ledger
- 下列（ ）赋值语句是错误的 A: Select @c=1 B: Set @c=1 C: Select @dj=单价 from book order by 单价 desc D: Set @dj=单价 from book order by 单价 desc
- 声明并实例化Book类型的一个新对象，正确的是（)。 A: Book b; B: Book b = new Book(); C: Book b = new Book[]; D: Book b =Book();
- The Six Classics include the Book of Changes, ____, the Book of History, the Book of Rituals, the Book of Music and the Spring and Autumn Annals. A: the Book of Manners B: the Book of Nature C: the Book of Songs
- 现有表book，字段：id(int)，title(varchar),price(float);其中id字段设为主键，使用insert语句向book表中插入数据，以下语句正确的是 A: insert into book(title,price) values('java',100) B: c)insert into book values('java',100) C: insert book values('java',100) D: insert into book(id,title,price) values(1,'java',100)