某一元弱酸HA的溶液中,若未电离的HA分子个数与溶液中的离子个数(忽略水电离)比

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问题:

某一元弱酸HA的溶液中,若未电离的HA分子个数与溶液中的离子个数(忽略水电离)比为a:b,则HA的电离度(即转化率)是

A.×100%

B.×100%

C.×100%

D.×100%

考点:弱电解质电离的影响因素弱电解质的电离度弱电解质的电离
题型:选择题

神经纤维瘤病()

A.内听道扩大及早期耳聋、耳鸣

B.咖啡样色素斑

C.泌乳、闭经

D.灌注压突破

E.皮毛窦

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数据模型质量的高低不会影响数据库性能的好坏,这句话正确否 【11】

题型:选择题

关于舰队的编制体制错误的是()。

A.舰队相当于副兵团级

B.舰艇支队相当于副军级

C.舰艇大队相当于团级

D.舰艇和中队相当于营级

题型:选择题

安全员在化工检修中应掌握的重要关键是()。

A.动设备电源是否有效切断

B.盲板是否按流程顺序抽、堵,有无遗漏或差错

C.设备内清洗和置换是否符合规定要求,有无死角或漏项

D.安全防护措施(灭火器、安全帽、防护用具、安全警告牌、现场水源等)是否逐项落实和检查、督促检修过程是否按有关规程办理作业证

题型: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) .

(5)()

A.innovation

B.manoeuvre

C.medium

D.synthesis

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