在渲染质量设置时，图像精度选项设置的最高级别为（）
A.8
B.9
C.10
D.11
参考答案：C
Usually before exams, students ______ two minutes to write down their names. [ ]
A. are given
B. were given
C. gave
D. will give
《外台秘要·水谷痢》有重下方六首，这里的“重下”指的是
A．大便闭滞不利
B．里急后重
C．下部疼痛
D．泻下迅猛
