下列历史事件中,促进西欧封建等级制度产生的历史事件是()
A.伯里克利改革
B.查理·马特改革
C.丕平献土
D.城市自治权的取得
参考答案:B
Read and fill. 按要求填空。
1. My soccer ball is under the bed. (对画线部分提问)
soccer ball?
2. I play the guitar well. (改为Susan)
the guitar well.
3. She bought many pens yesterday. (对画线部分提问)
she yesterday?
4. Are you our history teacher? (写出否定回答)
, .
5. He played soccer last weekend. (改为一般疑问句)
he last weekend?
判断两个现象相关关系密切程度越强时,相关系数r的绝对值是()
A.大于1
B.小于1
C.等于1
D.接近于1
E.接近于0