在一部影片中，色调的整体和谐关系取决于色调在影片中出现的（）。
A.环境的对比性
B.空间的接近性
C.主体的协调性
D.时间的连续性
参考答案：B, D
慢性隐匿型细菌性痢疾的临床特点是()
A.1年内有急性菌痢史
B.无明显腹痛、腹泻
C.大便常规有大量炎性细胞
D.大便培养有痢疾杆菌
E.肠黏膜有痢疾溃疡
The student insisted that he _____ nothing wrong and would never _____ the teacher.[ ]
A. had done; give in
B. had done; give in to
C. should do; give away
D. should do; give up
