| Young men often give flowers to young
women when they are in love. This tradition may have come from Turkey. In the 1700s in Turkey, it was quite popular for people in love to send each other baskets full of strange things. The baskets were delivered secretly to the person who was receiving it. Usually, an old woman who sold flowers or fruit on the street left the basket beside the person’s door. These baskets included a variety of "gifts": flowers, stones, feathers, wax, and even charcoal. Each thing in the basket had a special meaning. By figuring out the secret message contained in each item, the person who received the basket began to understand little by little the true feelings of the person who sent it. (50) {{U}}This idea of sending gifts of love with secret meanings quickly spread to Germany, France a A. To Asia. B. To Australia. C. To Europe. D. To North America. [单项选择]下列哪项说法是不正确的
A. 疾病的三要素保持动态平衡则人们呈健康状态 B. 病因作用于宿主即可发病 C. 病因、宿主、环境为疾病发生的三要素 D. 轮状模型的外环为环境 E. 宿主因素决定人们对疾病的易感性 [单选题]在蟾蜍坐骨神经动作电位测定的实验中，神经纤维动作电位发生去极化的过程中,Na+的驱动力和K+的驱动力
A.Na+的内向驱动力将逐渐减小，K+的外向驱动力则逐渐增大 B.Na+的内向驱动力将逐渐增大，K+的外向驱动力则逐渐减小 C.Na+的内向驱动力和K+的外向驱动力都会逐渐减小 D.Na+的内向驱动力和K+的外向驱动力都会逐渐增大 E.两者都不变 [名词解释]谓径向圆盘光栅
[单选题]工作人员必须( )进行体格检查，凡患有不适于担任热力和机械生产工作病症的人员，经医生鉴定和有关部门批准，应调换其他工作。
A.按时 B.每两年 C.定期工作前 D.工作前 [单项选择]药品检验室所用扭力天平的称量限度一般为（）
A. 1000g B. 500g C. 200g D. 100g E. 50g [多选题]一、二级动火工作在次日动火前应( )，方可重新动火。
A.重新检查防火安全措施 B.测定可燃气体的可燃气体含量 C.测定易燃液体的可燃气体含量 D.检查、测定合格 [多选题]在不停电的计量箱工作，应采取防止（）和（）的绝缘隔离措施，拆除导线的裸露部分后，应立即进行绝缘包裹，不得触碰导线裸露部分。
A.相间短路 B.相间短路 C.相对地短路 D.单相接地 我来回答: 提交
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