药材丁香的主要化学成分是（）
A.丁香酚
B.木兰脂素
C.芦丁
D.绿原酸
E.东莨菪碱
参考答案：A
--- Is there anything wrong , Tom ? You look upset .
---Oh, nothing . In fact , I ______ the coming National College Entrance Examination
A．have just thought of
B．was just thinking of
C．will just be thinking of
D．would just think of
培训项目的全部过程，按时间顺序应包含：（）实施培训、培训反馈五个部分
A.需求确认
B.培训计划
C.教师聘任
D.教学设计
