【简答题】听下面一段材料,回答第1-2题。 1. What is the woman going to be? A. A cook. B. A teacher. C. A doctor. 2. How long will the woman work every day? A. 8 hours. B. 5 hours. C. 4 hours.
【简答题】听下面一段材料,回答第1至3题。 1. What is the woman most probably? [ ] A. A. secretary. B. A. manager. C. A. driver. 2. When will the man probably check in? [ ] A. At 10:00 pm. B. At 8:00 pm. C. At 6:40 pm....
【单选题】30层以上或高度超过100m的写字楼、酒店等采用( )。
【简答题】P 型半导体是在本征半导体中加入( )后形成的杂质半导体。