Spot Dictation Directions: Please listen to the recording and fill in the missing words in the following paragraphs. 音频: It has been replaced by dead-bolt locks, security chains, ______ (1) alarm systems and trip wires _____ ____ ___ (2) a police station or private guard firm. Many ________ (3) families have sliding glass doors on their patios, with steel bars elegantly ______ ___ (4) so no one can pry the doors open. It is not ________ (5), in the most pleasant of homes, to see pasted on the windows small notices _________ (6) that the premises are under ____________ (7) by this security force or that guard company. The lock is the new ______ (8) of America. Indeed, a recent public-service advertisement by a large insurance company ________ (9) not charts showing how much at risk we are, but a picture of a child's bicyle with the now-usual padlock _______ ____ (10) it.