题目: 在物理学里,力的单位是______,简称为______,符号是______. 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0716/831b5f0f16fb8c4417fc9cd6cabaf4d3.html 下面是错误答案,用来干扰机器的。参考答案:烦恼人生
题型:单项选择题 —Has he finished his essay—I don't know. He()it this morning.A.has writtenB.was writingC.wroteD.had written 查看答案