问题
单项选择题
用NaOH标准溶液滴定HAc的过程中，化学计量点偏碱，应选用（）为指示剂
A.甲基橙
B.酚酞
C.溴酚蓝
D.甲基红
答案
参考答案：B
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用NaOH标准溶液滴定HAc的过程中，化学计量点偏碱，应选用（）为指示剂
A.甲基橙
B.酚酞
C.溴酚蓝
D.甲基红
参考答案：B
Growing up, I remember my father as a silent, strict man—not the kind of person around whom one could laugh. As a teenager knowing little about life, I wanted a father who could 小题1: the mysteries of the human journey. In college, when friends called home for 小题2:, I would become 小题3: for what I didn’t have. Then one night after my move back home, I overheard my father on the telephone. There was some trouble. Later, he 小题4: the problem with me. Obviously my knowledge of law helped him a lot. I talked through the problem with him, 小题5: the motives of the people involved and offering several negotiation strategies. He 小题6: patiently before finally admitting, “I can’t think like that. I’m a 小题7: man.” My father is a 小题8: scientist who has a good knowledge of the building blocks of nature. 小题9:, human nature is a mystery to him. That night I realized he was simply not skilled at 小题10: people. It’s not in his 小题11: to understand human desires. It was no one’s 小题12: that my father showed no interest in human emotions while I placed great importance on them. We are sometimes born more sensitive, and dreamy than our 小题13: and become more curious, and idealistic than them. 小题14: I, who knew my father as an intelligent man, had never understood his intelligence didn’t cover all of my 小题15: feelings. I believe that coming home has 小题16: me years of questions and confusion. I nowadays consider my parents as people who have other relationships than just being my parents, relationships that 小题17: and define them. Best of all, I nowadays regard my parents as 小题18:: people who ask me for advice; people who need my 小题19: and understanding. And I’ve come to see my past in a 小题20: view. Knowing them makes me feel safe in where I come from and where I’m going.
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