练习材料：
NCE--第四册
Lesson 14-1 The Butterfly Effect
Beyond two or three days, the world's best weather forecasts are speculative, and beyond six or seven they are worthless.
The Butterfly Effect is the reason. For small pieces of weather -- and to a global forecaster, small can mean thunderstorms and blizzards -- any prediction deteriorates rapidly. Errors and uncertainties multiply, cascading upward through a chain of turbulent features, from dust devils and squalls up to continent-size eddies that only satellites can see.
The modern weather models work with a grid of points of the order of sixty miles apart, and even so, some starting data has to be guessed, since ground stations and satellites cannot see everywhere. But suppose the earth could be covered with sensors spaced one foot apart, rising at one-foot intervals all the way to the top of the atmosphere.
[bɪˈjɒnd] [tuː] [ɔː] [θriː] [deɪz], [ðə] [wɜːldz] [bɛst] [ˈwɛðə] [ˈfɔːkɑːsts] [ɑː] [ˈspɛkjʊlətɪv], [ænd] [bɪˈjɒnd] [sɪks] [ɔː] [ˈsɛvn] [ðeɪ] [ɑː] [ˈwɜːθlɪs].
[ðə] [ˈbʌtəflaɪ] [ɪˈfɛkt] [ɪz] [ðə] [ˈriːzn]. [fɔː] [smɔːl] [ˈpiːsɪz] [ɒv] [ˈwɛðə] -- [ænd] [tuː] [ə] [ˈgləʊbəl] [ˈfɔːkɑːstə], [smɔːl] [kæn] [miːn] [ˈθʌndəstɔːmz] [ænd] [ˈblɪzədz] -- [ˈɛni] [prɪˈdɪkʃən] [dɪˈtɪərɪəreɪts] [ˈræpɪdli]. [ˈɛrəz] [ænd] [ʌnˈsɜːtntiz] [ˈmʌltɪplaɪ], [kæsˈkeɪdɪŋ] [ˈʌpwəd] [θruː] [ə] [ʧeɪn] [ɒv] [ˈtɜːbjʊlənt] [ˈfiːʧəz], [frɒm] [dʌst] [ˈdɛvlz] [ænd] [skwɔːlz] [ʌp] [tuː] [ˈkɒntɪnənt]-[saɪz] [ˈɛdiz] [ðæt] [ˈəʊnli] [ˈsætəlaɪts] [kæn] [siː].
[ðə] [ˈmɒdən] [ˈwɛðə] [ˈmɒdlz] [wɜːk] [wɪð] [ə] [grɪd] [ɒv] [pɔɪnts] [ɒv] [ði] [ˈɔːdər] [ɒv] [ˈsɪksti] [maɪlz] [əˈpɑːt], [ænd] [ˈiːvən] [səʊ], [sʌm] [ˈstɑːtɪŋ] [ˈdeɪtə] [hæz] [tuː] [biː] [gɛst], [sɪns] [graʊnd] [ˈsteɪʃənz] [ænd] [ˈsætəlaɪts] [ˈkænɒt] [siː] [ˈɛvrɪweə]. [bʌt] [səˈpəʊz] [ði] [ɜːθ] [kʊd] [biː] [ˈkʌvəd] [wɪð] [ˈsɛnsəz] [speɪst] [wʌn] [fʊt] [əˈpɑːt], [ˈraɪzɪŋ] [æt] [wʌn]-[fʊt] [ˈɪntəvəlz] [ɔːl] [ðə] [weɪ] [tuː] [ðə] [tɒp] [ɒv] [ði] [ˈætməsfɪə].
任务配置：
L0+L4
知识笔记 ：
练习感悟：
今天是课文前半部分，生词多课文难。今天是说明文比较难理解，难点是生词发音和句子结构。今天感觉看懂了句子结构，还是不太明白意思，感觉看说明论述类文段的能力太差了。可能与中文功底也有关。要注意effect的词性和意思。space作动词，可表示“把……分隔开”。
眼睛发炎了好难受，不知道这几天能不能保持进度，加油。
