依法决策就是（）
A.建立健全制度规范
B.完善决策机制
C.确保决策结果
D.以上都是
参考答案：D
— Did Alice enjoy the concert held in Grand Theater yesterday?
— Yes, she did. She _____ such an excellent concert for a long time.
A．didn’t take part in
B．wouldn’t take part in
C．hasn’t been in
D．hadn’t been in
孕20周()孕36周()孕28周()
A．35cm，1000g
B．45cm，2500g
C．9cm，20g
D．40cm，1700g
E．25cm，300g
