未办理税务登记的临时纳税人向税务机关申报纳税时,应通过以下哪个窗口开票()
A. 日常申报
B. 一般税票录入
C. 直接开票
D. 零星税收开票
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Y412型原棉水分测定仪检修方法大致分直观检查法、()检查法、示波器法和替换法。
You need to change the definition of an existing table. The COMMERCIALS table needs its DESCRIPTION column changed to hold varying length characters up to 2000 bytes. The column can currently hold 1000 bytes per value. The table contains 20000 rows. Which statement is valid?()
ALTER TABLE commercials MODIFY (description CHAR2(2000));
B. ALTER TABLE commercials CHANGE (description CHAR2(2000));
C. ALTER TABLE commercials CHANGE (description VARCHAR2 (2000));
D. ALTER TABLE commercials MODIFY (description VARCHAR2 (2000));
E. You cannot increase the size of a column if the table has rows.
学哲学、用哲学,是我们党的一个好传统。要原原本本学习和研读经典著作,努力把马克思主义哲学作为自己的看家本领。()
A. 正确
B. 错误