题目内容
配制溶液时，溶剂中含有少量待测成分属于试剂误差。（ ）
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在用盐酸滴定氢氧化钠时，选用酚酞做指示剂，对终点变色判断总是稍有滞后是操作误差。（）
Translate the following sentences into ChineseThe Chinese Dream is the crystallization of the tireless efforts of countless people with lofty ideals, and embraces the yearnings of all the sons and daughters of the Chinese nation.
The great renewal of the Chinese nation will eventually become a reality in the course of the successive efforts of the youth.
Looking ahead, we can see that our younger generation has a promising future, and will accomplish much.
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