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问题 单项选择题

发生铁路建设工程安全事故，必须按照()的原则，查明事故性质和责任，制定整改措施，做好事故处理工作，并依法追究有关单位和人员的责任。

A.实事求是、尊重科学

B.安全第一、预防为主

C.公开、公正、公平

D.谁出事、谁负责

答案

参考答案：A

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) .

10（）

A.distinctive

B.turbulent

C.spontaneous

D.healthier
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判断题

吊运加工后的精密零件，应使用三角带作吊具，以防损坏加工表面。
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