问题
填空题
30克糖溶于120克水中，则这些糖水的含糖量是（ ）。
答案
20%
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30克糖溶于120克水中，则这些糖水的含糖量是（ ）。
20%
| 选用方框中适当的句子完成对话 | |
Tom: Is it a picture of your family? Mary: (1)_____ Tom: Oh, you have a big family. Who are they? Mary: (2)_____ Tom: Is this man your uncle? Mary: (3)_____ Tom: What's his name? Mary: (4)_____ Tom: Who's this woman? Is she your aunt? Mary: (5)_____ Tom: Who are those three children? Mary: They are my sister, brother and me. |