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阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
In a spaceship, you can wear a T-shirt, but outside? You need a spacesuit. A spacesuit looks thick because it usually has 16 layers. If you're working hard, you may get really hot. The 3 layers closest to your body can keep you cool and comfortable. The other layers protect you from fire, water, and more.
26. How many layers of a spacesuit are needed to protect you from fire?
A. Two.
B. Three.
C. Thirteen.
D. Sixteen.
27. Which part of a spacesuit helps astronauts talk to others?
A. The visor.
B. The helmet.
C. The control module.
D. The life support system.
28. What does the underlined word “flexible” mean?
A. Able to remain in one place.
B. Able to move easily and freely.
C. Able to change into different shapes.
D. Able to get used to a new environment.
B
A
In a spaceship, you can wear a T-shirt, but outside? You need a spacesuit. A spacesuit looks thick because it usually has 16 layers. If you're working hard, you may get really hot. The 3 layers closest to your body can keep you cool and comfortable. The other layers protect you from fire, water, and more.
26. How many layers of a spacesuit are needed to protect you from fire?
A. Two.
B. Three.
C. Thirteen.
D. Sixteen.
27. Which part of a spacesuit helps astronauts talk to others?
A. The visor.
B. The helmet.
C. The control module.
D. The life support system.
28. What does the underlined word “flexible” mean?
A. Able to remain in one place.
B. Able to move easily and freely.
C. Able to change into different shapes.
D. Able to get used to a new environment.
B
答案
26. C
27. B
28. B
27. B
28. B
解析
【分析】
本题是关于宇航服的阅读理解题，需通过定位原文关键信息解答各题：
1. 第26题：先找到宇航服总层数、近身体层数的信息，计算防火层数；
2. 第27题：定位能帮助交流的宇航服部件的描述；
3. 第28题：结合手套的功能，猜测划线词flexible的含义。
【解析】
26. 定位原文第一段：宇航服通常有16层，最靠近身体的3层用于保持凉爽，剩余层数用于防火等，计算得16-3=13，故选C。
27. 定位插图中Helmet的描述：头盔有电话，可与太空或地球的人交流，对应“talk to others”，故选B。
28. 定位Gloves部分：手套flexible以便能容易操作，结合选项，“able to move easily and freely”（能轻松自由移动）符合语境，故选B。
【答案】
26.C 27.B 28.B
【知识点】
阅读理解细节理解、词义猜测
【点评】
本题围绕宇航服的结构与功能设题，侧重考查学生快速定位原文信息和词义推断的能力，题目难度适中，只要仔细阅读原文即可正确解答。
【难度系数】
0.8
本题是关于宇航服的阅读理解题，需通过定位原文关键信息解答各题：
1. 第26题：先找到宇航服总层数、近身体层数的信息，计算防火层数；
2. 第27题：定位能帮助交流的宇航服部件的描述；
3. 第28题：结合手套的功能，猜测划线词flexible的含义。
【解析】
26. 定位原文第一段：宇航服通常有16层，最靠近身体的3层用于保持凉爽，剩余层数用于防火等，计算得16-3=13，故选C。
27. 定位插图中Helmet的描述：头盔有电话，可与太空或地球的人交流，对应“talk to others”，故选B。
28. 定位Gloves部分：手套flexible以便能容易操作，结合选项，“able to move easily and freely”（能轻松自由移动）符合语境，故选B。
【答案】
26.C 27.B 28.B
【知识点】
阅读理解细节理解、词义猜测
【点评】
本题围绕宇航服的结构与功能设题，侧重考查学生快速定位原文信息和词义推断的能力，题目难度适中，只要仔细阅读原文即可正确解答。
【难度系数】
0.8
