0  371322  371330  371336  371340  371346  371348  371352  371358  371360  371366  371372  371376  371378  371382  371388  371390  371396  371400  371402  371406  371408  371412  371414  371416  371417  371418  371420  371421  371422  371424  371426  371430  371432  371436  371438  371442  371448  371450  371456  371460  371462  371466  371472  371478  371480  371486  371490  371492  371498  371502  371508  371516  447090 

2.考点解读

    本单元内容看起来很少,但是和其他章节的联系非常的密切。通过对近几年的高考考题的分析我们可以看出,近几年各地高考,在该单元的内容下了一定的功夫。一轮复习时可以从以下几点进行复习:

    生物的变异,应该从基因突变、基因重组和染色体变异入手,也可和基因工程结合在一起考虑。

    生物对环境的适应,环境对生物的选择。

    种群的特征

    免疫与病原微生物的进化,例如感冒病毒疫苗的使用。

DNA分子杂交在亲缘关系的鉴定方面。

试题详情

1.考点盘

内容
说明
(1)现代进化理论的由来
(2)现代进化论的主要内容
 
包括:自然选择学说,用尽废退学说,现代进化论,基因库,基因频率,基因型频率

试题详情

The Red Cross is an international organization which cares for people who are in need of help. A man in a Paris  21  who needs blood, a woman in Mexico who was  22  in an accident, and  23  in India that lost their  24  in a storm may all be  25  by the Red Cross. The Red Cross  26  in almost every country around the  27 . The world Red Cross organizations are sometimes  28  the Sun or the Red Lion. All of these organizations  29  a common aim of  30  to help people in need.

The idea of  31  an organization to help the sick and wounded during a war was  32  by Jean Dunant. In 1859, he  33  how people were   34  on a battlefield in Italy. He wanted to help all the wounded people  35  which side they were fighting for. The most important  36 of his work was an international treaty (条约). It  37  prisoners of war, the sick and wounded, and other  38  during a war.

The American Red Cross was  39  by Clara Barton in 1881. Today the Red Cross in the United States provides a number of  40  for the public.

21. A. hospital           B. market           C. hotel         D. restaurant

22. A. wound           B. injured           C. dangerous    D. destroyed

23. A. a family          B. a child           C. families      D. the police

24. A. parents           B. home             C. money       D. way

25. A. helped            B. served           C. saved            D. treated

26. A. sets up           B. appears          C. lies          D. exists

27. A. continents         B. cities             C. world        D. universe

28. A. told              B. considered        C. regarded      D. called

29. A. supply            B. support          C. share         D. spare

30. A. insisting           B. joining           C. managing     D. trying

31. A. entering          B. joining           C. forming      D. making

32. A. started           B. put              C. carried       D. brought

33. A. remembered       B. researched        C. observed      D. watched

34. A. fighting           B. suffering          C. poor         D. ill

35. A. on           `    B. for              C. no matter     D. about

36. A. progress          B. result             C. discovery     D. experience

37. A. offers            B. encourages        C. protects      D. inspires

38. A. patients          B. citizens          C. prisoners      D. laborers

39. A. raised            B. closed           C. set up        D. accepted

40. A. information       B. services          C. wealth       D. materials

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20. _____ a certain doubt among the people as to the practical value of the project.

A. It has    B. They have      C. It remains     D. There remains

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19. We can never expect ____ bluer sky unless we create ____ less polluted world.

A. a; a       B. a; the      C. the; a       D. the; the

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18. Our new laboratory is said ____ instrument made in Shanghai.

A. to equip with             B. to be equipped with

C. to have equipped with          D. to be equipping with

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17. Though we don’t know what was discussed, yet we can feel the topic ____.

A. had changed   B. will changed   C. was changed.   D. has been changed

试题详情


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