问题
选择题
| My mother needs some rest. She doesn't feel like now. |
[ ] |
| A. to cook B. cooking C. cook D. cooks |
答案
答案：B
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| My mother needs some rest. She doesn't feel like now. |
[ ] |
| A. to cook B. cooking C. cook D. cooks |
答案：B
2Cu+CO2↑
2NaCl