营业员对邮件的包装建议语句是()。
A.Please fill in the forms.
B.Please change your packing box.
C.I suggest you put some cushioning material in it.
D.Please complete the forms.
第1题:
第2题:
假设需要更改表名“CUSTOMER”为“CUSTOMER_CHANGE”,可以使用()语句。
A.ALTER TABLE CUSTOMER RENAME CUSTOMER_CHANGE;
B.ALTER TABLE CUSTOMER RENAME TO CUSTOMER_CHANGE;
C.RENAME TABLE CUSTOMER TO CUSTOMER_CHANGE;
D.RENAME TABLE CUSTOMER CUSTOMER_CHANGE;
第3题:
2、运行程序,分析while循环的循环条件、循环次数和break语句的作用。 from turtle import * color('red','yellow') begin_fill() while True: forward(200) left(170) if abs(pos())<1: break end_fill() done()
第4题:
13、SQL插入记录的语句是
A.INSERT
B.APPEND
C.ADD
D.FILL
第5题:
设置填充颜色为黑色背景的语句错误的是()
A.fill(0,0,0);
B.fill(0);
C.fill(#000000);
D.fill(#000000ff);