591次观看 · 2月前· 发布于 浙江 转发 评论 3秦彻 秦彻[超话]猫咪骨CA1BON3 0粉丝 关注 飞羽向夜目前🐦⬛心中最神的一张卡雪夜、烟花、围围巾、玩雪彻子眼中的宠溺都要溢出来了,纯爱感拉满🥺#秦彻##秦彻[超话]# 0条评论 同时转发评论 快来发表你的评论吧 ...
见过的所有女领导都比男领导好太多[泪]//@周末双休不犯法:求求姐妹们了请务必在你们的行业做到顶尖再帮助其他女性!!我们这个项目始终欠着一部分尾款,都验收完成了还是被找各种理由拖欠,这周只要联系对方就是...
分析:(1)先用 a、 c表示 OM, AM,利用 AM= OM- OA表示出 AM,根据向量的模计算公式计算求得| AM|.(2)由 BN= NA1得N为BA1的中点,利用 ON= 1 2( OB+ OA1)表示出 ON.(3)利用模计算公式求出| ON|,利用向量的数量积运算求出 AM • ON,根据cos< AM, ON>= AM• ON | AM|| ON|求异...
[题目]已知:∠MON=α.点P是∠MON角平分线上一点.点A在射线OM上.作∠APB=180°-α.交直线ON于点B.PC⊥ON于C. (1)如图1.若∠MON=90°时.求证:PA=PB,(2)如图2.若∠MON=60°时.写出线段OB.OA及BC之间的数量关系.并说明理由,(3)如图3.若∠MON=60°时.点B在射线ON的反向延长线上时
几道关于英语介词题目1.We went to shanghai ___ the summer holiday. A.on B.at C.during D.to 2.My father worked ___the night. A.through B.at C.to D.on 3.Today is very hot.The temperature is about thirty ___ zero.(above/over) 4.I found a boy crying ___ the corner of th...
E.Perhaps a thief stole ot.F.What's the matter,Wang Yin?B.根据对话内容回答问题1.()How does WangYin usually go to school?A.On foot b.By bike c.Take a bus2.()Why is wangYIN late,today?A.She missed the bus.B.Something was wrong with her bike.C.She lock her bike3.What does"...
3 A.1.on Cm Bwith C.,t?t'sthe cnoma. A. nel to B出C 相关知识点: 试题来源: 解析 【解析】 答案 ← 见解析 解析 【3】句意它在东方街道上挨着公园, 本在【4】句意你能帮我学英语吗? 考动 语帮事【5】句意 ·打扰一下,图书馆在哪?·挨看电影院 本题 察 短语 着 ...
帮忙解英语!(不确定勿答)选择题哦! 还有翻译! 1.How are you getting ___your work? A.on with B.up C.along for D.aming to 2.The boy asked his father___ a bottle of water. A.to B.for C.with D.in 3.The new house were built___
5.there ___( be ) a book and two pens on the desk .二.单项选择1.There ___ any milk in the glass .A.is B.are C.isn't D.aren't2.How many people ___there in the big house A.is B.are C.has D.have3.Would you like to have some apples ___?A.eating B.to eat C.dri...
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