题目: 已知a 、b 互为相反数,cd 互为倒数,则a -cd +b=( )。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0405/7b84dcdd51a8953be36ae88fc4e42829.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:选择题 These football players were not specially________until they joined our club.[ ]A.educated B.exercisedC.practised D.trained 查看答案