下列各项，不属清营汤证的是（）
A.斑疹隐隐
B.身热夜甚
C.神烦少寐
D.时有谵语
E.骨蒸潮热
参考答案：E
招标文件中，由于各种管理要求、管理价格的制定都具有（），所以过一段时间可能需要调整。
A.连续性
B.阶段性
C.统一性
D.完整性
Nobody knows for sure how dinosaurs died out 65,000,000 years ago. It _______ because of sudden changes of their living conditions.
A．must have happened
B．would have happened
C．should have happened
D．might have happened
