刘某发现其子盗窃他人电视机一台，但未向有关部门检举。刘某的行为（）。
A、构成包庇罪
B、不构成犯罪
C、构成伪证罪
D、构成窝藏罪
参考答案：B
English for more than six years, he can speak and work very well with that businessman from England.
A．To have learned
B．To learn
C．Learning
D．Having learned
橡胶、纤维制品、电木、云母制品、树脂薄膜、塑料等都具有较高的（）性能。
A、导电
B、伸缩
C、绝缘
D、膨胀
