1.练习材料
Lesson 2 Spare that spider
Why, you may wonder, should spiders be our friends? Because they destroy so many insects, and insects include some of the greatest enemies of the human race．Insects would make it impossible for us to live in the world; they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals．We owe a lot to the birds and beasts who eat insects but all of them put together kill only a fraction of the number destroyed by spiders．Moreover, unlike some of the other insect eaters, spiders never do the least harm to us or our belongings.Spiders are not insects, as many people think, nor even nearly related to them．One can tell the difference almost at a glance, for a spider always has eight legs and an insect never more than six.
2.任务配置:L0
3.知识笔记
(1)查音标
/waɪ/, /juː/ /meɪ/ /ˈwʌndə/, /ʃʊd/ /ˈspaɪdəz/ /biː/ /ˈaʊə/ /frɛndz/? /bɪˈkɒz/ /ðeɪ/ /dɪsˈtrɔɪ/ /səʊ/ /ˈmɛni/ /ˈɪnsɛkts/, /ænd/ /ˈɪnsɛkts/ /ɪnˈkluːd/ /sʌm/ /ɒv/ /ðə/ /ˈgreɪtɪst/ /ˈɛnɪmiz/ /ɒv/ /ðə/ /ˈhjuːmən/ /reɪs/．/ˈɪnsɛkts/ /wʊd/ /meɪk/ /ɪt/ /ɪmˈpɒsəbl/ /fɔːr/ /ʌs/ /tuː/ /lɪv/ /ɪn/ /ðə/ /wɜːld/; /ðeɪ/ /wʊd/ /dɪˈvaʊər/ /ɔːl/ /ˈaʊə/ /krɒps/ /ænd/ /kɪl/ /ˈaʊə/ /flɒks/ /ænd/ /hɜːdz/, /ɪf/ /ɪt/ /wɜː/ /nɒt/ /fɔː/ /ðə/ /prəˈtɛkʃən/ /wiː/ /gɛt/ /frɒm/ /ˈɪnsɛkt/-/ˈiːtɪŋ/ /ˈænɪməlz/．/wiː/ /əʊ/ /ə/ /lɒt/ /tuː/ /ðə/ /bɜːdz/ /ænd/ /biːsts/ /huː/ /iːt/ /ˈɪnsɛkts/ /bʌt/ /ɔːl/ /ɒv/ /ðɛm/ /pʊt/ /təˈgɛðə/ /kɪl/ /ˈəʊnli/ /ə/ /ˈfrækʃən/ /ɒv/ /ðə/ /ˈnʌmbə/ /dɪsˈtrɔɪd/ /baɪ/ /ˈspaɪdəz/．/mɔːˈrəʊvə/, /ʌnˈlaɪk/ /sʌm/ /ɒv/ /ði/ /ˈʌðər/ /ˈɪnsɛkt/ /ˈiːtəz/, /ˈspaɪdəz/ /ˈnɛvə/ /duː/ /ðə/ /liːst/ /hɑːm/ /tuː/ /ʌs/ /ɔːr/ /ˈaʊə/ /bɪˈlɒŋɪŋz/./ˈspaɪdəz/ /ɑː/ /nɒt/ /ˈɪnsɛkts/, /æz/ /ˈmɛni/ /ˈpiːpl/ /θɪŋk/, /nɔːr/ /ˈiːvən/ /ˈnɪəli/ /rɪˈleɪtɪd/ /tuː/ /ðɛm/．/wʌn/ //kæn/ /tɛl/ /ðə/ /ˈdɪfrəns/ /ˈɔːlməʊst/ /æt/ /ə/ /glɑːns/, /fɔːr/ /ə/ /ˈspaɪdər/ /ˈɔːlweɪz/ /hæz/ /eɪt/ /lɛgz/ /ænd/ /ən/ /ˈɪnsɛkt/ /ˈnɛvə/ /mɔː/ /ðæn/ /sɪks/.
(2) 学单词
1) beast /biːst/ n. 野兽
2) census /ˈsɛnsəs/ n. 统计数学
3) acre /ˈeɪkə/ n. 英亩
4) content /ˈkɒntɛnt/ a. 满足的
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