问题
单项选择题
美在本质属性上是一个（）的系统。
A.封闭
B.开放性
C.自律
D.他律
答案
参考答案：B
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美在本质属性上是一个（）的系统。
A.封闭
B.开放性
C.自律
D.他律
参考答案：B
| 选词填空。选择方框里的单词并用其恰当形式填空，使短文完整，句意通顺。 | |
me and I have a lot of friends. We often play 2. together. I feel happy that I am a fish because I love swimming. My mother often tells me something about the sea. I hope I can swim to the sea one day. My mother is worried about me. She often warns me to be 3. . I know she is right. Mother loves me and I love her, too. These days the water of the river is 4. than before. People often throw the rubbish into the river. It's dangerous to live here. We have to 5. to the clean water, maybe to the sea. |