题海网,海量题库;找题库、找试卷、找答案就上题海网。

一只小鸟在平静的湖面上方飞来飞去,欣赏它自己在水中的“倒影”.以下描述正确的是 (   )
A . “身影”始终和小鸟一样大 B . 小鸟靠近水面过程中,“身影”远离水面 C . 小鸟远离水面过程中,“身影”逐渐变小 D . “身影”到水面的距离大于小鸟到水面的距离
下列关于全球环境问题的叙述,错误的是(    )
A . 臭氧层空洞会导致紫外线辐射增强 B . 温室效应会导致人类皮肤癌患者数量增加 C . 酸雨会导致树木生长缓慢并容易感染病害 D . 水体富营养化是水域生态系统稳态失衡的结果
一个正三棱柱的底面的边长为6,侧棱长为4,则这个棱柱的表面积为 

—What should we do to make the salad?

—First,wash the vegetables and _______.

A . cut them up B . cut up them C . cut it up D . cut up it
巧算,由容易的题推出结果

,计算888-99=888-100=888-101=

从塔顶以相同速率抛出A、B、C三个小球,A球竖直上抛,B球平抛,C球竖直下抛.另有D球从塔顶起自由下落,四个小球质量相同,落到同一水平面上.不计空气阻力,则下列说法中正确的是(   )

A . 落地时动能相同的小球是A、B、C B . 落地时动量相同的小球是A、B、C C . 从离开塔顶到落地过程中,重力的冲量相同的小球是B、D D . 从离开塔顶到落地过程中,动能变化量相同的小球是A、B、C E . 从离开塔顶到落地过程中,动量变化量相同的小球是B、D
They are in the (图书馆)now.
在下面一段文字横线处补写恰当的语句,使整段文字语意完整连贯,内容贴切,逻辑严密。每处不超过12字。

    美国有一种蝉,每17年才叫一次,像钟表一样准确。这种蝉为什么选择在地下生活那么多年?原来,周期蝉最早出现在大约180万年前,那个时候北美正处于冰河期,气候极不稳定,经常会遇到冷夏。①,假如它们出土后正好遇到低温,就死定了。科学家经过计算发现,假如在1500年的时间里每50年出现一次冷夏,那么7年蝉的成活率是7%,11年蝉的成活率是51%,17年蝉则是96%。显然,②

因式分解:4x2-y2=
用方框中所给单词的适当形式填空,使对话通顺、正确。每词仅用一次(每空一词)。

how         you       thank          too             be

A:Good morning.

B:Good morning.

A:My name Wang Fang. What's  name?

B:Zhao Min.

A:Nice to meet you.

B:Nice to meet you,.

A:are you?

B:I am fine. Thank you. And you?

A:I'm fine, too. .

California is in the (west) part of the USA.
默写
  1. (1) 芳草长堤,。(《采桑子》)
  2. (2) ,误入藕花深处。(《如梦令》)
  3. (3) 黑云压城城欲摧,。(《雁门太守行》)
  4. (4) ,铜雀春深锁二乔。(《赤壁》)
  5. (5) 富贵不能淫,,威武不能屈。(《富贵不能淫》)
读中国略图,结合相关知识回答下列各题。

  1. (1) 我国南北跨度大,从五带的划分看,我国大部分地区位于(  )
    A . 北温带 B . 热带 C . 北寒带 D . 南温带
  2. (2) 对我国的海陆位置而言,下列说法正确的是(  )
    A . 我国是内陆国 B . 我国是岛国 C . 我国是半岛国 D . 我国是海陆兼备的国家
博客、微博,是公民行使权力表达意愿的方式之一,但有些人通过互联网发布网络谣言。这说明
①人们可以在互联网上随心所意的发表自己的言论 ②公民要在法律允许的范围内行使权力   ③作为公民要增强权利意识 ④公民权利和义务具有一致性

A . ①③ B . ③④ C . ②④ D . ②③④
观察图3、图4、图5,这三幅图都可以用来说明(   )

A . 市场发挥决定作用 B . 乡镇企业异军突起 C . 土地经营权的变化 D . 土地所有权的变化
阅读理解

Articles Wanted

School Life

▲Articles should be typewritten and double spaced, using only one side of the page.

▲ Your name, year of birth, school name (and English teacher), home address and e-mail address must be included.

▲ For photos, place the information on the back of each envelope: PLEASE DON'T FOLD. ▲ Please keep copies of your text, pictures or photos.

▲ The sentence MUST BE WRITTEN with your name on each work, "I promise the above work is completely original (原创的). "

▲ If your article is chosen, you will receive a copy of School Life and a special gift. SEND IT ALL SUMMER!

For more information, please contact (联系) us!

Tel: (0574) 92136116; (0574) 92674363 E-mail: schoollife@acpmagazines. com.

Mail: School Life. Box 5252, Ningbo, NSW 200

  1. (1) All the information about the writer must be included except his/her.
    A . school name B . e-mail address C . year of birth D . telephone number
  2. (2) What is required for the articles wanted according to the passage?
    A . They must be fully created by the writers themselves. B . They must be typed in single space and on both sides. C . They must be provided with photos and descriptions. D . They must be sent with the copies of texts and pictures.
  3. (3) According to the passage, you can send your articles
    A . within 3 weeks B . in July C . all the year round D . during the whole term
  4. (4) How many ways can you find in the passage to contact School Life?
    A . 1 B . 2 C . 3 D . 4
  5. (5) Who do you think will write articles for School Life?
    A . Parents who wish their kids to be popular writers. B . Teachers who love writing and taking photos. C . Students who are interested in writing. D . Readers who had a happy time in their childhood.
已知集合

,求实数m的范围;

,求实数b的取值范围.

2017年5月中旬召开了“一带一路”国际合作高峰论坛,“一带一路”分别从 海上和陆上促进了世界最大的大洲亚洲与非洲、欧洲之间的联系,促进了三大洲的 经贸往来和文化交流。

据此回答下题:

若图中黑色区域代表亚洲,能准确表示亚洲地理位置的是(    )

A .     B . C . D .
已知函数f(x)=log4(4x+1)+kx(k∈R)是偶函数.

(1)求实数k的值;

(2)设g(x)=log4(a•2x+a),若f(x)=g(x)有且只有一个实数解,求实数a的取值范围.

The film began 5 minutes ago.

The film for 5 minutes.

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