Unit 1 Text ALanguage Sense Enhancement1. the fierce resistance 2. the long march 3. the devastating enemy 4. bleak 5. launched 6. military might 7. mowed down 8. campaign 9. a painful lesson 10. the aid Language FocusVocabularyI.1. 1) alliance 2)at the cost of 3) stroke 4)limp 5)minus 6) regions 7) declaration 8) siege 9) raw 10) bide his time 11) have taken their toll 12) in the case of 2. 1) is faced with 2)get bogged down 3) is pressing on/pressed on 4) dra