设平面PBC的达向最为m=,y.8).C市=0,2.2.C成=1，，0.,即5y+2=0n·Cp=02√3n.CB=取n=(万.1，号.x-√3y=0问理，得平面PCD的一个法向量为m=(一5,1，).sm:=设=一品则面角...

教学全国©0所名校单元测试示范卷札记(2)t=0时，A车和B车的距离。解：(1)由题图可知A车的速度oA=2m/s(1分)t=3s时，直线个和曲线B刚好相切，即此时B车的速度'=A=2m...

基本技能的能力，考查学生的区域认知、综合思维等地理学科核心素养。【12题详解】由图可知，曲线①从赤道附近向两极增大，符合大洋表层海水密度随纬度的增高而增...

气候变化对森林群落组成与结构、生物多样性以及植物区系影响较大。我国某国家级自然保护区（最高海拔1506米）生态保护良好，近年来所在地区气候呈暖湿化趋势。表...

1.【典型情境题】Y市居住一工业空间关联模式在19792017年 的演变顺序是 A.甲>乙→丙→丁 B.乙→甲→丁→丙 C.丙丁→甲→乙 D.丁→乙→丙→甲

按秘密级事项管理★启用前广东省2023年普通高中学业水平选择性考试3。汉代选官制度中特别突出李眼，大臣在奏疏中经常将春秋)与（孝经并引：将率作为政治上的依据...

1111■1预计对象，故使用被动。61.had been established考查动词时态语态。由时间状语by the end of lastyear可知此处为过去完成.62.a考查冠词。此处“一位平面设...

28.Form the passage,we can know thatA.Paper can replace plastic completely.B.Recycling paper means saving energy.C.Paper items are cheaper than plasti...

1.kindness【解析】考查名词。of为介词.结合句意，善良的行为，应用名词kindness。210【解析】考查介词。根据句意.从(rlando到Philly.应用短语rom…to…,故填to:3....

Text 3M:Good morning.I'd like some information about the bus,please.W:Yes,sir.Where are you going?M:When is the next bus to London,please?W:At a quart...

hard life for 2 days bylak StaeBTooper athisremote farmhouse approximately 70 miles outside of Skweninahere or moth One day the oofof mycabnmiles and...

The internet may be another reason why we tend to have Mandela Effect events,as thenews we read can be false from the beginning.In 2018,Science journa...

1.D由第5行，on foot or on the water可知2.1-CDAB3 ACCDG315 BAC79R0 A80C3.C由a pretty fishing village可知4-7 BACD 8-11CDAD16-20 CFDEB45,to pray49.salty4...

30.What makes bristlebirds vulnerable to fires?A.Its importance in ecosystem.B.Its appreciation for top story.C.Its preference for low habitat.D.Its i...

31.What is the main idea of the text?ystem of gestures.B.Humans make the same gestures as apesregshow different meanings.D.Humans can understand signa...

Text 9M:Why is everybody unhappy about the date today?For our weekend group meet-ups,we do photoW:What do you mean?听walks in the park.(19)We welcome...

听下面一段对话，回答第11至13题。11.Which grade is the woman's niece in now?A.Grade Five.B.Grade SixC.Grade Seven.12.What is the right thing for people...

I.用括号内所给单词的适当形式填空。4.I gave up trying_(trying/to try)to1.Confucius was one of the greatestpersuade him to continue with his studieseduc...

many Chinese words.Second,you can watch Chinese movies and listen to the radio programs inChinese.Third,you can also learn Chinese by singing Chinese...

clearly at night.W:What a shame!M:Too much pollution not only pollutes our living environment but also does harm to our health.I think our government...

23-24上高考复习（ZJZ)第23期综合能力评估试题（17)听力材料、参考答案及部分解析听力材料(Text 1)W:Peter,what are you going to write about?M:One of the Ali...

【第一节应用文写作评分标准】在评分时，应注意以下几个方面：1.本题总分为15分，按5个档次给分。2.评分时，先根据文章的内容和语言初步确定其所属档次，然后以...

15.A.spared B.evaluated C.wasted D.missed 16.A.unique B.rare C.special D.common 17.A.surrounded B.hung C.trapped D.measured 18.A.went away B.calmed do...

第一部分听力（共两节，满分30分） 第一节（共5小题；每小题1.5分，满分7.5分） 听下面5段对话。每段对话后有一个小题，从题中所给的A、 B、C三个选项中选出最佳...

the club,I'll just run through some basic information about some equipment we have here,and explain the types of membership a- vailable.We have all th...

ter diagnosis,anti-5G campaigner John Kitson told the paper. "There is increasing evidence of a link to high-frequency radia- tion.Everyone is talking...

第二节书面表达（满分25分） 智能手机的盛行让很多人都成了低头一族，而不少中学生周 末也沉浸在手机之中。假定你是学生会主席李华，打算倡议大家 参与“周末或假...

7.从长叶单籽暗罗根皮中分离出的化合物()是示出显著的降血压能力，结构如图所示。下列说法玉确的是A.M含3种含氧官能团<居接融达金流的在利Q有解在O溶液B.1molM最...

9【解行】向图可妇/（的周期为：T侣，又7-答.所以。2：百O)3,所以A=-V3,故A错误；所以f)=-V3sin2x-6因为+写》-2sm(2x+引-2co2x为偶函数，B止痛：上单调递增，C错...