相关系数的的值介于（）
A.1和2之间
B.0和10之间
C.0和2之间
D.0和1之间
参考答案：D
Mrs Smith has a cute baby. It often smiles at people ________.
A．friendly
B．lovely
C．happily
D．lively
When I saw the cars crash on the road, a frightened feeling ________ across my mind.[ ]
A. flashed
B. struck
C. hit
D. occurred
