短文部分　　　 　　Passage 5 　　After (S1) ______ in a crowded bus and waiting in the noisy airport building, I was glad to be sitting in the plane at last. In a few minutes now we would be asked to (S2)______ our seat and to stop smoking, and then we would soon be (S3) ______ in the sky on our flight to Berlin. 　　But I had been (S4) _________ . Ten minutes later, instead of enjoying the (S5)_______ of the evening sky from high above the clouds. I was sitting in a smoke-filled room with an airline (S6)________ and a police officer at my side. On the table in front of me was one of my (S7) _________. 　　The officials were very polite. (S8)__________________________________________________ _________________________________. 　　I did as I was told. (S9)____________________________________________________________ 　　___________. 　　(S10)_______________________________________________________________________________________________. 　　(S1) travelling 　　(S2) fasten 　　(S3) up 　　(S4) mistaken 　　(S5) beauty 　　(S6) official 　　(S7) suitcases 　　(S8) They asked me to show them my passport, my ticket, and my baggage check. Then I was requested to open the suitcase and to spread out its contents on the table. 　　(S9) The moment I placed a battery-powered alarm clock I bought for my father on the table, the two officials looked at each other and smiled. 　　(S10) Hearing the clock ticking away merrily, I suddenly understood. Someone must have heard the ticking noise coming from my suitcase and thought there was a time bomb hidden in it.