问题
单项选择题
小苏打，学名又叫（）
A.碳酸钠
B.碳酸氢铵
C.臭起子
D.碳酸氢钠
答案
参考答案：D
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小苏打，学名又叫（）
A.碳酸钠
B.碳酸氢铵
C.臭起子
D.碳酸氢钠
参考答案：D
| Read and choose. 火眼金睛，从方框中选择恰当的句子补全对话吧！ | |
| T= Tom D=doctor D: 1 young man? T: I'm not feeling well. I think 2 . D: When did it start (开始) ? T: 3 . D: I'm sorry to hear that. Now open your mouth, and say "Ah. . . ". I think you have a cold. 4 Take these medicines and have a good rest. T: I think so. D: 5 T: Thank you very much. 1. 2. 3. 4. 5. | |
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