【单选题】某人现在存入银行 1500 元,利率 10% ,复利计息, 5 年末的本利和为( )。
【单选题】A sports violence 'apologist' probably thinks that ______.
A.
violence in sports is a rare occurrence
B.
violence in sports is not necessary
C.
athletes are paid enough for their injuries
D.
professional athletes enjoy violence
【单选题】______ was his anger that his face turned red.
【单选题】菲律宾首都( ),有“热带花园之都”美称,是菲律宾最大的港口。
【单选题】——was his anger that his face turned red.
【单选题】His anger ______ when he was informed of the real reason for his son's absence from school yesterday.
【简答题】在本实验中,引起实验误差的主要原因是什么?
【简答题】某人计划5年后从银行提取1万元,如果银行利率为10%,则此人现在应存入银行()元钱。 (A) 73 (B) 5674 (C) 6124 (D) 6209
【简答题】某课外研究小组,用含有较多杂质的铜(主要杂质为Fe),通过下列化学反应制取胆矾。请回答相关问题: pH控制可参考下列数据: 物 质 开始沉淀时的pH 完全沉淀时的pH 氢氧化铁 2.7 3.7 氢氧化亚铁 7.6 9.6 氢氧化铜 5.2 6.4 (1)试剂A可以选用 (填字母) a. H 2 O 2 b.氯水 c.酸性高锰酸钾 (2)Cu(OH) 2 的作用是 ,还可以...