2.① elan tax ② reed reed acquisition ③ sadness and aging ④ fiber annihilation ⑤ heritage collapse ⑤ hemp fiber sincerity.

3.① No, removing "excluding" means including Jiujiang. ② Good. The word "unexpectedly" is full of ridicule and shows the courage of our army; (3) "annihilating" means destroying the enemy; "defeat" means defeating the enemy in flight, but it is not necessarily destroying the enemy. The combination of the two words shows different operation results, and the tone is accurate and concise. (4) "Trees" are a solid foundation; "forest" is to expand the base area; "Rooting" is the consolidation of base areas; "Lush foliage" is to win the heartfelt support of the people. Reflect the vividness and image of language.

4. a C D C A

2.( 1) 5. Unexpectedly, it has been

6.b7. Real and timely.

8. The first half sentence (1)

9. Destroy, defeat, occupy, control, block and cut off.

The rest are omitted.