群体中成员应该与谁共进午餐、工作内外的交友情况等，这些是指（）
A.绩效规范
B.形象规范
C.社交约定规范
D.资源分配规范
参考答案：D
A male sheep and a female deer in ______ Yunnan Wild Animal Zoo in Kunming were found to have
fallen in love with each other after living together for _______ long time. [ ]
A. the, the
B. the, a
C. a, /
D. a, a
EHP是无色液体，分解时释放出易燃并能自燃的气体，贮存温度必须低于（）℃.
A.10
B.－10
C.－15
