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问题 多项选择题

生产操作中，丙烯产品的质量控制依据有（）。

A．在线分析仪表显示值

B．人工分析数据

C．塔顶温度

D．塔灵敏板组成

答案

参考答案：A, B, C, D

判断题

累计凭证是在一张凭证内可以连续登记相同性质的经济业务，随时结出累计数及结余数，目的是为了节约凭证。( )
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单项选择题

Questions


·Look at the questions for this part.
·You will hear a passage about job. You will listen to it twice.
·For questions , indicate which of the alternatives A, B, or C is the most appropriate response.

We can infer from this passage that a change-over of roles in the family ______.

A. is quite necessary in modern life
B. is probably based on some practical reasons
C. aims solely at a complete emancipation of women
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