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达·芬奇(1452—1519)和哥伦布(1451—1506)是同时代的人,在时代精神的影响下,他们在各自不同的领域取得了巨大成就。阅读下列材料,回答问题。
材料一 达·芬奇在论述绘画的宗旨时强调:“一个画家应该描绘两件主要的东西:人和人的思想意图。”他在绘画中着眼于生活,努力创作真实而生动的艺术形象。一次,他作为助手和老师合作一幅画卷,老师由于跳不出宗教神学观念的束缚,所绘作的部分枯燥无味,毫无生气;而达·芬奇所绘的一个天使,神态自然,栩栩如生,两者成鲜明对比,老师看后自叹不如。
(1)材料表明达·芬奇的绘画体现了什么“时代精神”?请列举其能体现“时代精神”的一幅代表性作品。
材料二 “黄金是财富,谁占有黄金,谁就能获得他在世上所需的一切。”
                                                                                                                                                                         ——哥伦布
(2)这句话反映了当时哥伦布怎样的心态?请在下图中绘出哥伦布远航的大致方向。

材料三 以前的世界史,其实主要是地区史,新航路开辟以后,才产生了真正意义上的世界历史。
(3)结合此材料,谈谈哥伦布远航对美洲的影响。

猎豹又称印度豹,是陆地上跑得最快的动物。猎豹在追击它最爱吃的羚羊的时候,速度可达到114km/h,如果猎豹以此速度奔跑lmin,通过的路程是多少千米?
在比例尺是1:2000000的地图上,量得甲第到乙地的距离是3.6厘米。如果汽车以每小时30千米的速度从甲地出发,走完这段路程到达乙地要用几小时?
用分子相关知识解释生活中的现象,其中错误的是(    )
A . “花香四溢”,说明分子在不停地运动 B . 湿衣服在阳光下容易晾干,说明分子的运动随温度升高而加快 C . 水变成水蒸气体积膨胀,说明分子的大小随温度升高而变大 D . 50mL酒精和50mL水混合体积小于100mL,说明分子之间有间隔
________ I am in trouble, my friends will help me out. 
A . Before B . Whenever C . Although D . Until
― Excuse me, don't you know about the new ______ law(法律)? Everyone in a car must wear the seat belt(安全带).

― Sorry, we won't do that again.

A . food B . traffic C . medicine D . education
细菌转化是指某一受体细菌通过直接吸收来自另一供体细菌的一些含有特定基因的DNA片段,从而获得供体细菌的相应遗传性状的现象,如肺炎双球菌转化实验。S型肺炎双球菌有荚膜,菌落光滑,可致病,对青霉素敏感。在多代培养的S型细菌中分离出了两种突变型:R型,无荚膜,菌落粗糙,不致病;抗青霉素的S型(记为PenrS型)。现用PenS型细菌和R型细菌进行下列实验,下面分析合理的是(     )

A . 甲组中部分小鼠患败血症,注射青霉素治疗后均可康复 B . 乙组中仅观察到一种菌落 C . 丙组培养基中会出现R型和S型两种菌落 D . 丁组培养基中无菌落生长
在直线上,-7在-5的(    )。
A . 右边 B . 左边 C . 上边
如图,以正五边形 的对角线 为边,作正方形 使点 落在正方形 内,则 的度数为(    )

A . B . C . D .
_______ your help, we can finish the task in time. 

A . Thanks to B . Thanks for C . Thank
下列做法不正确的是(    )
A . 干冰用于食品的冷藏保鲜和冷藏运输,以及医疗上血液制品的储存和运输 B . 用水基型灭火器扑灭酒精着火 C . 将煤和石油综合利用制造合成材料 D . 城市污水、工业废水、饮用水的深度净化需要用到活性炭

下面是教育部于2016年9月发布的“中国学生发展核心素养”研究成果结构图,请以“中国学生发展核心素养”为开头,概括这幅图的基本内容。要求内容完整,表述准确,语序合理,语言连贯,不超过85个字。

如图,在△ABC中,∠C=90°,AC=BC,AD平分∠CAB交BC于D,DE⊥AB于E,且AB=8cm,则△BED的周长是.

我国第一个国家级高新技术产业开发区是,北京旧城格局的变迁与有关。

—When shall we meet?

— Let's ______ 9:00 tomorrow morning.

A . making B . made C . made it D . make it
两地区分别形成我国重要的优质棉花生产和天然橡胶生产基地的共同有利因素是(  )

A . 两地夏季均光热充足 B . 两地夏季均降水丰富 C . 两地土壤类型一致,均比较肥沃 D . 两地气候类型相同,均适宜发展农业生产
补全对话。(其中有一个多余选项)

A. How about you?

B. What subject do you like best?

C. Do you like art?

D. How are you?

E. How many music classes do you have in a week?

F. What classes do you have in the morning?

Rani: Good morning, Jim.

Jim: Good morning, Rani! I'm fine, thanks. And you?

Rani: I'm fine, too.

Jim: Well, let me see. We have science, art and music.

Rani: 

Jim: I like art best.

Rani: Yes, I like art, too. But I like music best.

Jim:

Rani: Three.

连词成句,注意标点符号和字母大小写。

  1. (1) like, the, white, I, sweater (.)

  2. (2) What, your, is, colour, skirt (?)

  3. (3) this, your, Is, T-shirt (?)

  4. (4) shorts, my, are, new (.)

  5. (5) Where, your, is, blue, pants (?)

听下面一段较长对话,回答以下小题。
  1. (1) When is the birthday of the man's son?
    A . In one week. B . In two weeks. C . In three weeks.
  2. (2) What does Brian do well in?
    A . Playing baseball. B . Drawing animals. C . Climbing trees.
  3. (3) Who is Danny?
    A . The man. B . The man's child. C . The woman's child.
  4. (4) How does the man feel about raising children?
    A . It isn't like a race. B . Babies should go to classes. C . It's better for babies to play sports well.
根据短文内容判断正误

    This is a picture. It's a classroom. It is a big room. In the picture, you can see the teachers' desk, six desks, six chairs and a blackboard. You can see a boy and two girls, too.

    Two books are on the teachers' desk. A pencil-box is on the desk. Two pens and a ruler are in it. A bag is behind a chair.

    The boy is Jim. He is twelve. The girl in a hat is Lily. She is twelve, too. Another girl is Sue. She is twelve. The girls are twins(双胞胎).They are in Class 2, Grade 4. Their teacher is Mr. Green. He is not here.

  1. (1) There are no boys and girls in the picture.
  2. (2) There are some books and a pencil-box on the teachers' desk.
  3. (3) Lily's teacher is here.
  4. (4) We can see six desks in the picture.
  5. (5) Lily is 12 years old.
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