问题
选择题
The old couple were both very ______ and felt the new-born baby was a gift from God. [ ]
A. patient
B. original
C. religious
D. loyal
答案
答案：C
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The old couple were both very ______ and felt the new-born baby was a gift from God. [ ]
A. patient
B. original
C. religious
D. loyal
答案：C
学习化学知识可以帮助人们正确鉴别生活中的物质，提高生活质量。下列鉴别物质的方法中错误的是
| A | B | C | D | |
| 待区分物质 | 面粉 奶粉 | 棉线 毛线 | 纯碱 烧碱 | 铁粉 四氧化三铁粉末 |
| 鉴别方法 | 加碘酒 | 点燃，闻气味 | 加稀硫酸 | 用磁铁吸引 |