达到临界点后,物料中的水份含量随干燥时间的延长时间减少的幅度逐渐()
A. 增加
B. 减小
C. 增大
为了确定淋巴瘤患者的腹腔内有无肿大的淋巴结,腹部检查的首选方法是()
A. 淋巴造影
B. 剖腹探查
C. 腹部B超
D. 腹部CT
E. 腹部MRI
孟塞尔色立体坐标图中把色的()、()、()用不同()及()表示出来。
Duties shall be so organized by the chief engineer officer that the first watch at the commencement of a voyage and the subsequent relieving watches are () and otherwise fit for duty.
A. well trained
B. in good luck
C. in good health
D. sufficiently rested