题目: 织制府绸和平布时,那个开口时间稍早,为什么? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0509/4f0c8cc65065e521865cb4423f4c57b9.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 若函数f(x)=2sin(π6x+π3)(-2<x<10)的图象与x轴交于点A,过点A的直线l与函数的图象交于B、C两点,则(OB+OC)•OA=( )A.-32B.-16C.16D.32 查看答案
题型:选择题 I would like to buy some good English reference books, but _______ was available from the bookstore, where I only found some Chinese ones.A.nothingB.no oneC.noneD.neither 查看答案