What is the main idea of the passage?
A.Mass media is the only means to influence the social life.
B.Mass media today is too much dominated by commercial interests.
C.A public policy is needed to regulate the mass media.
D.Democratic life is determined by mass media.
第2题
A.甲状腺假被膜又称甲状腺鞘
B.甲状腺真被膜又称纤维囊
C.囊鞘间隙内有甲状旁腺
D.吞咽时,甲状腺会随喉上下移动
E.甲状腺向内后侧肿大,可导致Horner综合征
第5题
气管前筋膜又称()
A.内脏筋膜
B.甲状腺真被膜
C.甲状腺假被膜
D.甲状腺悬韧带
E.囊鞘间隙
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