当上级首长两人以上到场时，应当向（）首长敬礼和报告。
A、职务高的
B、职务低的
C、先到场的
D、后到场的
参考答案：A
The doctors insisted that the patient was in danger, and that he _____on immediately.
[ ]
A. was operated
B. be operated
C. should operate
D. operated
下列肿瘤中一般对FDG摄取较低的是（）。
A.B细胞淋巴瘤
B.结肠低分化腺癌
C.胃印戒细胞癌
D.乳腺巴浸润性导管癌
E.低分化型肝细胞癌
