盐酸是一种主要的工业用酸，下列关于盐酸的叙述中，错误的是[ ]

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问题选择题

A．盐酸是氯化氢气体的水溶液

B．浓盐酸是黄色有刺激性气味的液体

C．人的胃液里含少量的盐酸，可以帮助消化

D．浓盐酸具有挥发性，在空气中会形成白雾

答案

答案：B

多项选择题

施工质量文件审核的内容包括( )。

A．施工单位的技术资质证明文件和质量保证体系文件

B．施工组织设计和施工方案及经济措施

C．有关材料和半成品及构配件的质量检验报告

D．有关应用新技术、新工艺、新材料的现场试验报告和鉴定报告

E．反映工序质量静态的统计资料或控制图表

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单项选择题

Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1) , it’s best to deal with them, (2) remember that any (3) should be done (4) person or by letter. The telephone is not a good (5) because it is too easy (6) either side to (7) the conversation.

Explain to her (8) you find difficult in your relationship and then (9) some new arrangements that you think would establish a (10) balance between you. Sometimes we hold (11) from establishing such boundaries because we are afraid that doing (12) implies we are (13) her. We need to remember that being (14) from our mother does not (15) mean that we no longer love her. If the conflict is (16) and you cannot find a way to (17) it, you might decide to give up your relationship with your mother for a while. Some of my patients had (18) "trial separations". The (19) allowed things to simmer down, enabling (20) .

（3）（）

A.contradiction

B.estimation

C.confrontation

D.immersion

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