| 某醋酸溶液与0.01mol•L-1NaOH溶液等体积混合（忽略溶液体积变化），混合后溶液显碱性．下列有关叙述不可能出现的是（ ） A．混合后溶液中：c（CH3COO-）+c（OH-）=c（Na+）+c（H+） B．该醋酸溶液中：c（H+）=0.01 mol•L-1 C．该醋酸溶液的物质的量浓度大于0.01 mol•L-1 D．混合溶液中：c（CH3COO-）＞c（Na+） |
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| 阅读短文，选出正确答案。 | |
love her. I let her sit on my desk. Every time when I do my homework, I think she is watching me. She is smiling(笑) and says to me, " Do your homework carefully (仔细地)! " | |
| 1. How is the doll now? | |
[ ] | |
| A. It is old and broken (坏的). B. It is new. C. It is red. | |
| 2. Can it stand up now? | |
[ ] | |
| A. Yes, it does. B. No, it doesn't. C. No, it can't. | |
| 3. Can it see the girl? | |
[ ] | |
| A. No, it can't. B. Yes, it can. C. Yes, it is. | |
| 4. What does the girl think when she does her homework? | |
[ ] | |
| A. She thinks the doll is singing. B. She thinks the doll is crying. C. She thinks the doll is watching her. |