Unit 2 English around the world一，单项选择1. My hometown has changed so much that I cant _ it. A. knowB. understandC. recognizeD. realize2. There was no wind. The smoke rose _ upward.A. strangely B. straightC. frequentlyD. fluently3. From her _, I guess she must come from the West of America. A. soundB. voiceC. accentD. noise4. The change was so _ that we hardly noticed it.A. actualB. officialC. gradual D. entire5. The _
