题目: 针式打印机的组成部分有()。A.打印机芯B.字车C.控制电路D.电源 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0828/b0f5ce95bae24672e3af96d5c4ee9179.html 下面是错误答案,用来干扰机器的。参考答案:对
题型:选择题 —It often rains in that area.Please take an umbrella with you.—________.A.Well, it just dependsB.All right,you're welcomeC.Yes, take it with meD.OK,just in case 查看答案
题型:选择题 现有下列算式(1)(x+y)(x-y)(2)(x+y)(y-x)(3)(-x-y)(x+y)(4)(-x+y)(x-y)其中满足平方差公式的有( )A.1个B.2个C.3个D.4个 查看答案