地大20春《高等数学(专下)》在线作业一-82422

（单选题）1:A:aB:bC:cD:d正确答案:B（单选题）2:A:aB:bC:cD:d正确答案:C（单选题）3:A:aB:bC:cD:d正确答案:B（单选题）4:A:aB:bC:cD:d正确答案:A（单选题）5: A:AB:BC:CD:D正确答案:D（单选题）6:A:aB:bC:cD:d正确答案:A（单选题）7:A:aB:bC:cD:d正确答案:D（单选题）8:A:aB:bC:cD:d正确答案:B（单选题）9:A:aB:bC:cD:d正确答案:C（单选题）10: A:AB:BC:CD:D正确答案:C（单选题）11: A:AB:BC:CD:D正确答案:D（单选题）12: A:AB:BC:CD:D正确答案:A（单选题）13:A:aB:bC:cD:d正确答案:A（单选题）14:与点A（-l,2,4）和点B（l,3,-1）等距离的动点M的的轨迹方程为：（）A:4x+4y-10z+11=0B:2x+y-5z+5=0C:2x+2y-5z+5=0D:5x-3y+6z+3=0正确答案:B（单选题）15:A:aB:bC:cD:d正确答案:D（单选题）16:A:aB:bC:cD:d正确答案:B（单选题）17:A:aB:bC:cD:d正确答案:C（单选题）18:A:AB:BC:CD:D正确答案:D（单选题）19:A:aB:bC:cD:d正确答案:D（单选题）20:A:aB:bC:cD:d正确答案:A（单选题）21:A:aB:bC:cD:d正确答案:D（单选题）22:A:aB:bC:cD:d正确答案:D（单选题）23:A:aB:bC:cD:d正确答案:C（单选题）24:A:aB:bC:cD:d正确答案:C（单选题）25:A:aB:bC:cD:d正确答案:A（单选题）1:A:aB:bC:cD:d正确答案:B（单选题）2:A:aB:bC:cD:d正确答案:C（单选题）3:A:aB:bC:cD:d正确答案:B（单选题）4:A:aB:bC:cD:d正确答案:A（单选题）5: A:AB:BC:CD:D正确答案:D（单选题）6:A:aB:bC:cD:d正确答案:A（单选题）7:A:aB:bC:cD:d正确答案:D（单选题）8:A:aB:bC:cD:d正确答案:B（单选题）9:A:aB:bC:cD:d正确答案:C（单选题）10: A:AB:BC:CD:D正确答案:C（单选题）11: A:AB:BC:CD:D正确答案:D（单选题）12: A:AB:BC:CD:D正确答案:A（单选题）13:A:aB:bC:cD:d正确答案:A（单选题）14:与点A（-l,2,4）和点B（l,3,-1）等距离的动点M的的轨迹方程为：（）A:4x+4y-10z+11=0B:2x+y-5z+5=0C:2x+2y-5z+5=0D:5x-3y+6z+3=0正确答案:B（单选题）15:A:aB:bC:cD:d正确答案:D（单选题）16:A:aB:bC:cD:d正确答案:B（单选题）17:A:aB:bC:cD:d正确答案:C（单选题）18:A:AB:BC:CD:D正确答案:D（单选题）19:A:aB:bC:cD:d正确答案:D（单选题）20:A:aB:bC:cD:d正确答案:A（单选题）21:A:aB:bC:cD:d正确答案:D（单选题）22:A:aB:bC:cD:d正确答案:D（单选题