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汶川大地震造成数万人死亡．在这场特大自然灾害面前灾区人民与全国人民一道众志成城，全力抗震救灾．请结合如图回答问题 （1）地震发生后，为了保证自救人员和伤员的氧气供给，自救人员和伤员本身都必须首先保证______（填图中字母代号）系统的畅通． （2）被救出的伤员中，有失血过多的，需立即输血，验血得知其血型为A型，医生首先应考虑给伤员输______型血；体循环的起点是______．（填字母） （3）图中A系统中营养物质进入到A系统中的毛细血管的过程称为______． （4）在施救过程中被埋在废墟中的被救人员，可以通过饮用自己的尿液来补充体内的______和无机盐，形成尿液的结构和功能的基本单位是______；必要时还可以少量食用蚂蚁、蚯蚓等无毒食物，以保证体内______的供给． （5）为了防止灾区的传染病流行，防疫人员对生活用水、地面废墟等进行大面积消毒，从传染病的预防角度考虑，是为了______．
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【单选题】Part Ⅱ Reading Comprehension (Skimming and Scanning) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1～7, ma...
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【单选题】Part Ⅱ Reading Comprehension (Skimming and Scanning) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1～7, ma...
A.
Y
B.
N
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NG
【单选题】Part Ⅱ Reading Comprehension (Skimming and Scanning) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the question on Answer Sheet 1. For questions 1～7, mar...
A.
Y
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N
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NG
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【简答题】Part V Writing (30 minutes) Directions: For this part，you are allowed thiety minutes to write a com position on the topic： The Tape Recorder
【单选题】Part Ⅱ Reading Comprehension (Skimming and Scanning) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1～7, ma...
A.
Y
B.
N
C.
NG
【单选题】Part Ⅱ Reading Comprehension (Skimming and Scanning) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1-7, ma...
A.
Y
B.
N
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NG
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