问题
选择题
The two brothers _____ every day and there was no love left between them.
A．quarreled
B．hated
C．loved
D．worked
答案
答案：A
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The two brothers _____ every day and there was no love left between them.
A．quarreled
B．hated
C．loved
D．worked
答案：A
（10哈尔滨12）.区分下列各组物质的两种方法均正确的是（ ）
| 选项 | 需区分的物质 | 方法一 | 方法二 |
| A | 过氧化氢溶液和水 | 加二氧化锰 | 观察颜色 |
| B | 硝酸铵和硫酸钾 | 加氢氧化钙研磨 | 加适量水观察是否溶解 |
| C | 羊毛制品和纯棉制品 | 观察颜色 | 点燃闻气味 |
| D | 铁粉和氧化铜 | 用磁铁吸引 | 加稀硫酸观察现象 |