治疗恶性贫血应选用
A．维生素A
B．维生素D
C．维生素C
D．硫酸亚铁
E．维生素B12
参考答案：E
用所给词的适当形式填空。
1. Eat a balanced diet______(stay) healthy.
2. I hope you are ______( enjoy) your stay in New York.
3. I ______(be not feel) well at the moment.
4. The Dragon Boat Festival is a______( tradition) festival in China.
5. Chinese medicine is popular in many ______ (west) countries.
浇筑式沥青混凝土属于（）
A.开级配沥青混凝土
B.密级配沥青混凝土
C.细级配沥青混凝土
D.粗级配沥青混凝土
