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如图所示中是四种测量水温的方法,其中正确的是   (  )
A . B . C . D .
一种电视机涨价 后又按新价降价 ,(    )
A . 现价高 B . 原价高 C . 价格不变
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。有两项为多余选项

BE A GOOD TOURIST

Tourism can be both good and bad. Yes, it brings in money for the local economy and creates lots of jobs for locals, but it may also bring some problems.

Tourists have used paint, rocks, or even keys to write on the Luxor Temple in Egypt, the Colosseum in Rome, Stonehenge in the UK, memorial stones at the bottom of Qomolangma, and many, many other-places. Thousands of tourists sites are being destroyed by tourists who "love them to death". If you want to leave a mark on the world, do it by changing someone's life with kindness and love Pass kindness along to future generations, not destruction.

Another big problem in some places has been tourists disturbing the local people and For example, Chiang Mai University in Thailand and Yonsei University in South Korea have great numbers of tourists visiting their campuses and walking through their libraries and other public areas, taking pictures of students and disturbing their studies. I have three words for tourists like this: please be considerate.

The number of problems from tourists is endless: walking in large groups without considering others who need to walk by, crossing roads without observing local traffic laws, and many more. The only way to solve the issue of the terrible tourist is to make sure that you are not one! Remember, whenever you step outside your country's borders, you are representing your country to the rest of the world.

A. Just think from other aspects

B. When in Rome do as the Romans do.

C. Have fun in a way that does not disturb others

D. Be the best, kindest, most polite tourist possible

E. I have three words for people like this: please stop it.

F. One growing problem is tourists who want to prove that they have visited someplace

G. Some tourists wander around and take pictures of local people without asking for their permission.

下图为某城市主要功能分区示意图且功能区分布合理。读图,完成下面小题。

  1. (1) 图示城市功能区中,最可能为住宅区的是(   )
    A . a B . b C . c D . d
  2. (2) 以下风向最不.可能是该地主导风向的是(   )
    A . 西北风 B . 正西风 C . 西南风 D . 东南风
CH3CH=CH2与HCl可发生反应①和②,其能量与反应进程如下图所示:

①  CH3CH=CH2 + HCl → CH3CH2CH2Cl

②  CH3CH=CH2 + HCl → CH3CHClCH3

下列说法错误的是(   )

A . 反应①、②均为加成反应 B . 反应①的Ⅰ、Ⅱ两步均放出能量 C . CH3CHClCH3比CH3CH2CH2Cl稳定 D . CH3CH2CH2Cl与CH3CHClCH3互为同分异构体
2019年9月20日,工业通信业发展情况发布显示,我国5G标准必要专利数量全球第一。5G网络将来支持的设备远远不止是智能手机,它还要支持智能手表、健身腕带、智能家庭设备等,同时5G也会带来新的技术角逐,既是机遇亦是挑战。这要求我国要(    )

①抓住机遇,勇于创新    ②顺势而为,赢得主动
③增强信心,逃避责任    ④审时度势,相互推诿

A . ①② B . ①③ C . ①④ D . ②④
如图所示,A、B两个密度之比为8:1、体积之比为1:8的实心正方体,按甲、乙两种不同的方式叠放在水平地面上,下列说法正确的是( )

A . 图甲中A对B的压力小于图乙中B对A的压力 B . 图甲中A对B的压强小于图乙中B对A的压强 C . 地面受到的压力之比是1:1 D . 地面受到的压强之比为1:4
若-3x2y1-n与xmy3是同类项,则m+n=
《孔子改制考》出版后,曾经支持变法的管学大臣孙家鼐马上上折弹劾,连对维新不遗余力的湖南巡抚陈宝箴也大力抨击,至于守旧者则攻击康氏离经叛道并找到了最好的口实。这反映出(    )

A . 康有为减少变法阻力的策略存在问题 B . 维新阵营内部因是否立宪发生分歧 C . 维新变法遭到清朝官员普遍反对 D . 儒家思想的统治地位已经动摇
2009年4月26日,两岸同胞期盼六十年的“三通”梦想终于成真:“乡愁不再是一枚小小的邮票,乡愁不再是一张窄窄的船票,乡愁不再是一湾浅浅的海峡。”两岸长达60年的努力终于得到了收获。这表明( )
①实现祖国的完全统一,是全体中华儿女的共同心愿②祖国统一大业已经完成
③两岸统一是中华民族走向伟大复兴的历史必然 ④坚持一个中国原则,是两岸关系和平发展的政治基础

A . ①②③ B . ②③④ C . ①③④ D . ①②③④
一条直线就是一个平角。(    )
本文《享受生活》用自述的形式,以“我”的丰富多彩的乐趣为主线,叙述了“我”的无限乐趣,请根据课文的叙述具体说明作者写了自己哪些乐趣。

关于电磁现象,下列说法中正确的是(   )
A . 通电线圈在磁场中受力转动的过程中,将电能转化为机械能 B . 磁场的方向由磁感线的方向决定 C . 奥斯特实验表明,通电导线周围存在磁场 D . 电路中的部分导体在磁场中做切割磁感线运动时,导体中一定产生电流
妈妈今年a岁,儿子今年b岁,50年后妈妈比儿子大(   )岁。
A . 50 B . a-b C . a-b+50 D . b-a
Answer the questions(根据短文内容回答下列问题)

The Amazing Spider Man

    Spider Man is a hero. People got to know the hero through the Spider Man movie series.

    Now, a new Spider Man movie is coming to our eyes. It has a new name called The Amazing Spider Man. A new director called Marc Webbis directed the movie and a new actor, Andrew Garfield, played Spider Man.

    The Amazing Spider Man is also about the story of Peter Parker, a high school student. His parents left him when he was a boy, and he was raised by his Uncle Ben and Aunt May. Like most teenagers, Peter is trying to figure out who he is and how he got to be the person he is today.

    As Peter finds a briefcase that belonged to his father, he begins to find out why his parents disappeared. The discovery of his father's secret will shape his destiny(命运)of becoming “Spider Man.”Peter will make his choices to use his powers and become a hero.

    Unlike the former one, the new movie focuses on Spider Man developing his abilities in high school, as well as discovering the mystery(秘密)of his parents, or at least what happened to his father.

    The movie is going to come out on July 3, 2012 in 3D.

  1. (1) What's the name of the new movie?
  2. (2) The movie wasn't directed by a new director called Marc Webbis, was it?
  3. (3) Who raised the boy Peter Parker?
  4. (4) When does he begin to find out why his parents disappeared?
  5. (5) What is the passage mainly about?

    The passage is mainly about

在下面等式的括号里填上适当的数.0.5∶=5∶10
如图,将自然数按如下规则“放置”在平面直角坐标系中,使其满足条件:①每个自然数“放置”在一个“整点”(横纵坐标均为整数的点)上;②0在原点,1在(0,1)点,2在(1,1)点,3在(1,0)点,4在(1,﹣1)点,5在(0,﹣1)点,…,即所有自然数按顺时针“缠绕”在以“0”为中心的“桩”上,则放置数字(2n+1)2 , n∈N*的整点坐标是

不同的文明类型世代沿袭,潜移默化成为各民族的精神依归与基因密码。农耕民族祖祖辈辈靠河而居,安守田园,维护着人与自然、人与人之间的和谐关系,因而我们华夏民族推崇仁民爱物情怀。这种仁民爱物情怀(   )

①是在潜移默化中影响人的巨大物质力量

②是对人成长具有持久影响力的文化印记

③影响人们在实践中目标的确定和行为的选择

④作为文化素养的核心影响人的终身发展

A . ①③ B . ①④ C . ②③ D . ②④
设连续掷两次骰子得到的点数分别为m、n,令平面向量
  1. (1) 求使得事件“ ”发生的概率;
  2. (2) 求使得事件“ ”发生的概率;
  3. (3) 使得事件“直线 与圆(x﹣3)2+y2=1相交”发生的概率.
网络游戏《英雄联盟》中简化语言“666”在化学里竟然还是一种农药。它的学名为六氯环己烷,即它的每个分子由六个碳原子、六个氢原子和六个氯原子构成。下列关于六氯环己烷的说法错误的是(    )
A . 六氯环己烷的化学式为 C6H6Cl6 B . 六氯环己烷由碳、氢、氯三种元素组成 C . 一个六氯环己烷分子共含有 18 个原子 D . 六氯环己烷中碳元素、氢元素和氯元素的质量比是 1:1:1
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