题目内容：
Fill in the blanks by selecting suitable words frorm the word bank.A. terrified B. raced down C. impromptu D. intervene E. underestimated F. symptoms G. paralyzed H. popped up I. drowning J. appraised
I looked back at the boy. His head ___1___, then a wave crashed over him and he disappeared for a moment; I had to ___2___.
I ___3___ the situation and realized –the jetty! The boy was close to it; maybe I could help from there. I ___4___ the beach, out onto the jetty, and it hit me: Water! My palms got sweaty and my stomach felt sick, ___5___ of my fear. I stopped short.
The people in the water had ___6___ the waves and weren.t making any progress. I was the only one who saw that going out on the jetty was the fastest way to reach the ___7___ boy. Yet in the midst of this tragedy, I was extremely ___8___. I tried to remember the lifeguard training I.d had as a teenager.
I was ___9___ with fear, but I forced myself to move forward with this ___10___ rescue. I don.t want this. Surely someone else can save him before I have to.
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