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问题 判断题

乙酰化滤纸层析荧光分光光度法测定苯并[a]芘的最低检出浓度为0.04μlg/L。

答案

参考答案：错

解析：乙酰化滤纸层析荧光法测定苯并［a］芘最低检出浓度为0.004μg/L。

判断题

核算员工是负责公司的经济核算工作，并接受有关科室的业务指导的监督。
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填空题

根据下面对话中的情境，在每个空白处填入一个适当的语句，使对话恢复完整。

A: Hi, Linda. You look sad. 小题1:.                            ?

B: Well, I love music, but my mother doesn’t allow me to listen to it.

A: 小题2:.                                            ?

B: Because she thinks listening to music is not good for my study.

A: 小题3:.                                   . I also love music. It makes me relaxed and helps me study better.

B: Right. Music brings me much, too. But how can I solve my problem? Can you give me some advice?

A: Of course. 小题4:.                                    ?

B: No, I don’t often talk with her. We often argue.

A: I think communicating with each other is a better way. You can have a good talk with your mother.

B: 小题5:.                              . Thanks for your advice.
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