就两个变量而言，如果变量之间的关系近似地表现为一条直线则称为( )。
A．线性相关
B．曲线相关
C．不相关
D．完全相关
参考答案：A
句型转换。
1. She likes wearing colorful clothes. (就画线部分提问)
________ ________ ________ ________ does she like wearing?
2. Each of them likes light music. (改为同义句)
________ ________ ________ ________ likes light music.
3. I think Animal World is interesting. (就画线部分提问)
________ do you ________ ________ Animal World?
4. Jack bought a new jacket yesterday. (变为一般疑问句)
________ Jack ________ a new jacket yesterday?
5. Susan asked her friends about fashion.(变为否定句)
Susan ________ ________ her friends about fashion.
下列哪项不属于Integra移植失败的主要原因
A．包扎制动不良B．皱褶C．排斥反应D．血肿E．感染
