用广告进行信息沟通中不需要()
A、常用标志、术语和口号
B、主题、标志有形形成广告统一性
C、明确广告受众,树立企业形象
D、保证产品质量、严防虚假
参考答案:D
It _____ that scientists have found the reason _____ Edison was clever.[ ]
A. said, that
B. said, why
C. is said, that
D. is said, why
"囊壁-结石-声影三联征(WES)"是指()
A.胆囊壁钙化
B.胆囊胆固醇沉着病
C.胆囊腺癌
D.胆囊癌
E.胆囊内充满结石