She said she learned a lot in her university courses, but she learned _______ in school-based professional development.

A．as much twice

B．twice as much

C．much as twice

D．twice much as

广藿香的性状特征是

A．茎方形，表面淡黄绿色或淡紫红色

B．茎方形，表面黑绿色

C．茎方形，表面紫棕色或绿色

D．嫩茎略方或钝方形，密被柔毛，老茎则近圆形，表面灰黄色

E．茎圆柱形，表面灰绿或黄绿色