Page I I. 1. Both 2. Let 3. forget 4. move 5. traditionII. 1. order 2. around the clock 3. popular 4. too much 5. am going toIII. 1-5 ACAACPage II 应用文实战演练：CACDB 听说训练营：BADEGPage III 挑战原版：Comprehension ……

Page I I. 1. chance 2. won 3. childhood 4. hearing 5. cutII. 1. I think 2. push 3. including 4. costs 5. buildIII. 1-3 ABCPage II 应用文实战演练：AAAB听说训练营：AGBCDPage III 挑战原版：Comprehension test ……

Page I 实战演练：I. 1-5 CDAADII. 1. communicate 2. volunteer 3. population 4. asIII. 1. suffering from 2. get around 3. In return 4. teamworkPage II 应用文实战演练：AADCPage III Comprehension test: 1-3 ……

Page I I. CBADBII. 1. solve 2. be able to 3. own 4. GuessIII. 1. project 2. final 3. instead 4. collectPage II 应用文实战演练：ACBBD听说训练营：BGDFEPage III 挑战原版：Comprehension test: BBDCVocabulary in use: 1. just ……

Page I I. 1. continue 2. drop 3. sense 4. recordedII. 1. major 2. come up with 3. frustrating 4. interviewIII. DCDPage II 应用文实战演练：ACDB听说训练营：ADCFGPage III 挑战原版：Comprehension test: BBDCVocabulary ……

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. As it just rained, the air is cooler.Page II 应用文实战演练：DBCA听说训练营：CEBDFPage II 应用文实战演练：DBCA听说 ……

; 2. defeat   3. endsIII. CBABPage II应用文实战演练：ABAB听说训练营：GFECBPage III    1.... aheadII. 1. apart   2. defeat   3. endsIII. CBABPage II应用文实战演练：ABAB听说训练营：GFECBPage ……

for a newspaper article.3. You should put more effort into your work.Page II 应用文实战演练：ADDB听说训练营：CABFDPage II 应用文实战演练：ADDB听说训练营：CABFDPage III 1-4 ABCA         ……

;   3. graduateIII. CCACDPage II    应用文实战演练：CDADPage II    应用文实战演练：CDADPage III      1-4 DACD5. in his thirties6. One reason; is that7 ……

. DBCPage II    应用文实战演练：ABCCPage II    应用文实战演练：ABCCPage III1-4 BDCC5 ……

;  3. askPage II    应用文实战演练：BDCCPage II    应用文实战演练：BDCCPage III  ……

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. explorationIII. BCBA  Page II    应用文实战演练：ACDBPage II    应用文实战演练...Page I    实战演练I. 1. pushes himself to the limit     2. explore ……