题目

—Jack，it seems that you like to work with animals.      —Yes，I think animals  _____as our friends.      A. should be regarded   B. should regard      C. were regarded       D. are regarding 答案：A一只普通的家用照明白炽灯正常发光时，通过它的电流强度值与下列哪一数值较为接近 A．20A　　      B．2A           C．0.2A　　　　 　　D．0.02A