绝对误差除以仪表的全量程称为（）。
A.相对误差
B.绝对误差
C.系统误差
D.变差
参考答案：A
— It is better for you to lose weight by taking exercise every morning.
— I think your suggestion deserves ______. [ ]
A. try
B. tried
C. to be tried
D. to try
癌抗原CA125主要是下列哪种肿瘤的标志物（）
A.肺鳞癌
B.浆液性卵巢癌
C.大肠类癌
D.皮肤黑色素瘤
E.小细胞肺癌
