河北省安平中学2016-2017学年高二下学期期末考试生物试题

适用年级:高二
试卷号:317356

试卷类型:期末
试卷考试时间:2017/7/17

1.单选题(共3题)

1.
细胞的膜蛋白具有物质运输、信息传递、免疫识别等重要生理功能。下列图中,可正确示意不同细胞的膜蛋白及其相应功能的是
A. B. C.    D.
2.
某动物种群中,AA、Aa和aa基因型的个体依次占25%、50%、25%。若该种群中的aa个体没有繁殖能力,其他个体间可以随机交配,理论上,下一代AA:Aa:aa基因型个体的数量比为
A.4:4:1B.3:3:1C.1:2:0D.1:2:1
3.
玉米是雌雄同株植物,顶端开雄花,叶腋开雌花,既能同株传粉,又能异株传粉,是遗传学的理想材料。在自然状态下,将具有一对相对性状的纯种玉米个体间行种植(不考虑变异),以下有关表述合理的是(   )
A.隐性亲本植株上所结的籽粒都将长成隐性个体
B.显性亲本植株上所结的籽粒都将长成显性个体
C.显性植株上所结籽粒长成的个体既有显性性状又有隐性性状,比例1∶1
D.隐性植株上所结籽粒长成的个体既有显性性状又有隐性性状,比例3∶1

2.选择题(共1题)

4.任务型阅读

    Do you remember the last time you read a book, or a magazine? Is checking e-mails or updating microblog your daily reading habit? If you're one of those who don't make a habit of reading regularly, you might be really out.{#blank#}1{#/blank#}

    Stress Reduction

    No matter how much pressure you have at work, in your personal relationships, or other issues in daily life, it all just slips away when you lose yourself in a great story.{#blank#}2{#/blank#}

    Knowledge

    Everything you read fills your head with new information, and you never know when it might come into use.{#blank#}3{#/blank#}Besides, you might lose everything else—your job, your money, even your health, but knowledge can never be taken from you.

    Vocabulary Expansion

    {#blank#}4{#/blank#} As a result, this will gradually enlarge your everyday vocabulary. Then you might become more knowledgeable and well-spoken, which can increase your self confidence and even help you get promotions more quickly.

    Better Writing Skills

    Exposure to well-written work has a great effect on your own writing. In other words, writing styles of other authors will influence your own work.{#blank#}5{#/blank#}

    Now that reading has so many benefits, step away from your computer and go hunting for something new to read!

A. Here are some benefits of reading.

B. Here are some suggestions for your health.

C. The more you read, the more words you gain exposure to.

D. This goes hand-in-hand with the expansion of your vocabulary.

E. A well-written novel can bring you pleasure, and allow you to relax.

F. The more knowledge you have, the better-equipped you are for your life.

G. That is why beginners always learn how to write by reading the works of others.

试卷分析
  • 【1】题量占比

    单选题:(3道)

    选择题:(1道)

  • 【2】:难度分析

    1星难题:0

    2星难题:0

    3星难题:0

    4星难题:0

    5星难题:0

    6星难题:3

    7星难题:0

    8星难题:0

    9星难题:0