盘查嫌疑人行动有哪几个特点()。
A.较强的目的性
B.嫌疑人身份和行为的不明确性
C.环境的复杂性
D.嫌疑人反抗行为具有突发性
参考答案:A, B, D
At the beginning of class, the noise of desks _____ could be heard outside the classroom. [ ]
A. opened and closed
B. to be opened and closed
C. being opened and closed
D. to open and close
有关垂体瘤的论述,下列错误的是()
A.ACTH瘤常为微腺瘤,引起Cushing病
B.大多数垂体瘤都是良性肿瘤
C.促性腺激素瘤少见,可引起性腺功能亢进
D.垂体瘤通常发生于青壮年时期
E.Nelson综合征多为嗜碱性细胞瘤,双肾上腺切除后发生