已知三个数-7,a,1成等差数列,则a等于______. 发布时间:2017-04-27 13:52 │ 来源:www.tikuol.com 题型:填空题 问题: 已知三个数-7,a,1成等差数列,则a等于______.
题型:填空题 涛涛要测量一个阻值约10Ω的电阻,下图是他未连接完的电路.(1)涛涛所连的电路中有不妥之处,请改正(在要去掉的线上打“×”,并添加相应的导线),然后将图甲的电路连接完整,要求滑动变阻器滑片向右移时,电压表示数增大.(2)表格中是涛涛实验时记录的三组实验数据,则该电阻为______Ω. 查看答案
题型:填空题 Little _____ about A-H1N1 so far, so there is no doubt that many people are afraid when talking about the disease.A. did scientists know B. scientists have known C. have scientists knownD. had scientists known 查看答案
题型:填空题 甲让乙去偷摩托车,并代为销售,乙偷了一辆八成新的摩托车让甲卖得赃款4000元。甲的行为:A.构成销售赃物罪 B.构成盗窃罪 C.构成盗窃罪和销售赃物罪,应数罪并罚 D.不构成犯罪 查看答案