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。
1.考点盘点
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 |
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
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
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
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
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
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