题目: 桅杆起吊重物时,其倾斜度一般不应超过()度。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0710/54fe27a9d9674dd51696f1ab71f91ea3.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:选择题 There ____ lots of bad information that is not suitable for teenagers on the Internet.A.seem to beB.seems to have C.seem to haveD.seems to be 查看答案
题型:填空题 若四边形ABCD与四边形A′B′C′D′关予点O成中心对称,若∠A=80°,AB=7cm,CO=9cm,则∠A′=______,A′B′=______cm,CC′=______cm. 查看答案