The author indicates in the text that public duty stresses______.
A. a necessary kind of craftiness to succeed
B. the recognition of an official duty of every citizen
C. a certain attention to details which may involve much sacrifice
D. a recognition that you should gain nothing from it personally
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奶牛,体温 40.5°C,右后蹄出现肿胀,触诊有热、痛,趾间有溃疡面,其上覆盖有恶臭的坏死物,蹄底有孔道。该奶牛场牛只长期舍饲,圈内粪尿淤积。该病最可能的诊断是
A. 趾间皮炎
B. 蹄叉腐烂
C. 腐蹄病
D. 局限性蹄皮炎
E. 蹄叶炎
取样测定压实后土的干密度,符合设计要求的应不低于()
在5G技术中,用于提升接入用户数的技术是()
AMassive MIMO
BSOMA
CMassive CA
D1mcTTI