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Wei Chen is interested in mountain climbing. 1． This is one of the most exciting things about doing dangerous sports. There were many times when Wei Chen almost lost his life because of accidents.
One day, he found himself in a very dangerous situation when climbing the mountain. 2． Because he could not free his arm, he stayed there for three days till his water ran out. He used his knife to cut off half his right arm. Then, with his left arm, he bandaged（包扎）himself so that he would not lose too much blood. 3．
After losing his arm, Wei Chen wrote a book about his experience. 4． His love for mountain climbing was so great that he kept on climbing mountains even after this experience.
Do we have the same spirit as Wei Chen? Let’s think about it before we find ourselves in a terrible situation. 5．
| A．We have to make a decision when we face life or death. |
| B．His arm was caught under a heavy rock when he was climbing by himself. |
| C．As a mountain climber, he is used to taking risks. |
| D．After that, he climbed down the mountain to find help. |
| E．The importance of making good decisions and controlling of one’s life is in it. |
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
