Viewed from dry land, the river looked beautiful. The fast-flowing waters of the Snake River were crisp and clear as they crashed over the rocks below. I was 16 and my parents had hired a car to drive us children around North America and Canada in the summer holidays.
Upon our arrival, lost in the beautiful scenery, we couldn't wait to start our tour. Dad got a dinghy(橡皮艇)from somewhere. It looked a bit small for the six of us, and we didn't have safety helmets, and were wearing adult-sized life jackets. I don't think any of us had even seen rapids(急流)until we went down them that day, otherwise we'd have realized how foolhardy(莽撞的)our plan was.
The first part of the ride was pretty hair-raising and it was apparent that we had no idea what we were doing. After 20 minutes we hit a rapid and got stuck: there was a huge rock under the surface and our boat was letting in water. The bottom got stuck and we were trapped in the middle of a wide, fast-moving river. Wall after wall of freezing water hit me and the iciness took my breath away. My brother, sisters and I were screaming, Dad was shouting at us that it would all be OK, while Mum yelled at us to hold on. We had no time to come up with any plan other than to hold tight.
It felt as if we were stuck for hours, unable to think or breathe, but it was probably only a few minutes. Then, suddenly I was swept out of the dinghy. I felt a sense of horror, which was replaced by an even greater terror when I realized I was going down the rapids without a boat. I was spun around, bounced off rocks and fell into water: it's what I imagine being trapped in a washing machine is like. There's no sense of up or down; you just gasp(喘气)for air when you can. I remember thinking, "This is it. I am going to die."
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2. 请按如下格式作答。
But suddenly I felt a determination to live.
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When my family eventually found me, I was hugely emotional to realize that we'd all survived.
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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

