【简答题】君子之于物也,爱之而弗仁;于民也,仁之而弗亲。(),()。
【单选题】在沉积岩的构造中,虫迹、虫孔等属于( )。
【单选题】患者,男,40岁。因破伤风入院,意识清醒,全身肌肉阵发性痉挛、抽搐。医生给予青霉素+抗毒素治疗,用青霉素前的检查是为了预防
【判断题】生物在沉积物内部或表层活动时,常把原来的沉积构造加以破坏或变形,而留下它们活动的痕迹,这些构造称为生物成因构造。
【简答题】The evidence for harmony may not be obvious in some families. But it seems that four out of five young people now get on with their parents, which is the opposite of the popularly held image (印象) of u...
【简答题】简述变形构造、化学成因构造及生物成因构造。
【判断题】微生物生态系统由微生物、生物因子和非生物因子构成。