题目内容

钢结构涂装施工应在除锈后_________h内进行,严禁在表面无处理且有污染、赃物、浮锈的情况下进行涂装作业。

A. 2
B. 4
C. 6
D. 8

查看答案
更多问题

In US children goafter kindergarten.

A. Elementary school
B. Primary school
C. Nursery
Daycare

In UK they also call secondary school a

A. Uni
B. University
C. college
D. institution

When you recieve a, everyone has to call you "doctor".

A. master's degree
B. Medical degree
C. Bachelor's degree
D. Ph.D

黄河公司对销售产品承担售后保修,发生的保修费一般为销售额的1%~3%之间,黄河公司2020年销售额为2 000万元,支付保修费用15万元,期初“预计负债——保修费用”的余额是20万元,则2020年期末“预计负债——保修费用”的余额是()万元。

A. 45
B. 25
C. 20
D. 40

答案查题题库