施心远听力教程3Unit4答案

Unit 4 Section One Tactics for ListeningPart 1 Spot Dictation Stephen Powelson’s Amazing MemoryWhen Stephen Powelson was nine, his school organized a (1) weekly contest in memorizing passages from the Bible、 Stephen paid (2) no attention until he was chided* for (3) not competing、 The next Sunday he surprised everyone by (4) reciting all the passages for the (5) entire year、 As a teenager in prep school, Stephen took Greek、 His teacher (6) assigned 21 lines of the Iliad* to be memorized (7) in a week、 At the end of the hour - though he (8) insisted he paid full attention to the (9) lecture - Stephen knew all 21、 He went on to memorize the first (10) 100 lines、 In 1978, for the first time (11) since college, Powelson, now 60, had some (12) spare time、 To keep his mind active, he reread the Iliad and (13) discovered that he still knew the first 100 lines (14) by heart 、 That someone could memorize so much between ages 60 and 70 is (15) astonishing to most people, who are (16) convinced that memory (17) worsens as we grow older、 Powelson's method is to (18) read a b ook into his tape recorder, then read it several more times, making sure he understands (19) each word、 "Also," he says, "I attempt to (20) visualize myself as part of the action、" Part 2 Listening for Gist You might not know how rarely images are viewed directly through telescopes 、 The most common way to observe the skies is to photograph them、 The process is very simple、 First, a photographic plate is coated with a light-sensitive material、 The plate is positioned so that the image received by the telescope is recorded on it 、 Then the image can be developed, enlarged, and published so t...