题目: — Who should be responsible for the accident? — The boss, not the workers. They just carry the orders _____. [ ]A. as told B. as are toldC. as telling D. as they told 答案: 答案:A
题型:选择题 下列关于苯的叙述中错误的是A.苯在催化剂作用下能与液溴发生取代反应B.在苯中加入酸性KMnO4溶液,振荡并静置后下层液体为紫色C.在苯中加入溴水,振荡并静置后下层液体为橙色D.在一定条件下,苯能与氢气发生加成反应 查看答案
题型:单项选择题 对非特异投射系统的叙述,错误的是A.弥散投射到大脑皮层,无点对点关系B.与皮层的各层神经元形成突触联系C.不能单独激发皮层神经元放电D.切断非特异投射系统的动物仍保持清醒E.不引起特异感觉 查看答案