For girls computer labs seems to be______.
A. full of people who tell girls they don"t belong
B. full of software that is only appealing to boys
C. places that teachers discourage girls to be
D. intimidating and associated as male areas
查看答案
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
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()
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