项目Ⅰ、Ⅱ、Ⅲ、Ⅳ的工期都是三年，在第二年末其挣值分析数据如下表所示。按此趋势，项目（）应最早完工。
A.Ⅰ
B.Ⅱ
C.Ⅲ
D.Ⅳ
参考答案：B
句型转换。
1. Lily is thirteen years old. (就划线部分提问)
_______ _______ is Lily?
2. Jim's birthday is September 11th. (就划线部分提问)
_______ _______ Jim's birthday?
3. What's your age? (同义句转化)
_______ _______ are you?
4. Are your parents forty years old?(否定回答)
No, _______ _______.
5. We have an Art Festival each year. (改为一般疑问句)
_______ _______ _______ an Art Festival each year?
具微量升华反应的中药材是
A．何首乌B．黄连C．人参D．西红花E．甘草
