►Step One:Words and Phrases Ⅰ.词汇知识 1.____________ (adj.) 困惑的,茫然的 2. ____________ (vi.) 消失;失踪 3. ____________ (vt.) 假定;认为 4. ____________ (vi.) 发生 5. ____________ (n.) 证据 6. ____________ (adj.) 令人惊奇(惊叹)的
puzzled
disappear
assume
occur
evidence
amazing