对两个变量进行直线相关分析,r=0.46,P>0.05,说明两变量之间()
A.有相关关系
B.无任何关系
C.无直线相关关系
D.无因果关系
E.有伴随关系
参考答案:C
Last Sunday he promised ________ today, but he hasn't appeared yet.
A.that he would come
B.that he will come
C.he will come to see me
D.whether he would come