畜牧业产业化的内涵和作用。

应用下列哪种药物可能导致出血性疾病（）。

A.环磷酰胺

B.阿司匹林

C.小分子肝素

D.保泰松

E.上述都可能

酸类中有一种酸叫做醋酸，化学名称是乙酸，它是食用醋的主要成分，在16.6℃以上纯净的醋酸是一种有强烈刺激性气味的无色液体，溶于水和酒精，醋酸分子中含有的原子团CH₃COO^-称为醋酸根（为﹣1价原子团），醋酸与稀硫酸、盐酸一样，也能与活泼金属发生反应产生氢气，所以家用铝制器皿不宜用来盛放醋酸，以免被腐蚀．

（1）上文中提到醋酸的物理性质有（至少写2条） _________ ；

（2）若醋酸在空气中燃烧产物与乙醇在空气中燃烧产物相同，请写出醋酸燃烧的化学方程式 _________ ；

（3）醋酸和锌反应的化学方程式为 _________ ．

According to traditional Cherokee beliefs, we are part of (1) . We don’t (2) with it and we’re not trying to (3) it. We are a part of the Great Life. And within the Great Life, there are three great Laws of Nature, which tell us how we have to live in (4) with everything else. The First Law of Nature is that you don’t take any life without real (5) . So we shouldn’t (6) needlessly. We believe everything is alive, including animals, plants and (7) . And so to us, taking the life of a plant is just as grave a 8() as taking the life of an animal. The Second Law is that everything we do should (9) the Great Life. And everything we do (10) the Great Life, and everything that (11) within the Great Life affects us. So it’s very important that what we do will not (12) other parts of the Great Life. The Third Law basically is that we don’t (13) where we live. And where we live is not our (14) , small community. It’s this (15) . We don’t pour chemical (16) down the drain because they all wind up in the water. It might seem a little difficult to live by those three laws in this (17) society. But there are still a lot of things that we can do to bring these laws into our lives, such as (18) , using the (19) as little as possible, and (20) gardening.

在线路停电作业时，完成作业现场的停电、检电、接地封线等安全措施，由工作执行人指定（）完成。

A、工作组

B、工作许可人

C、工作执行人

D、工作监护

希腊智者学派代表安提丰对待法律的方式是：众目睽睽下，应尊重法律；无人在场时，随本性驱动行事。这从本质反映了智者学派（）

A.没有法制观念

B.认为法律可有可无

C.处事灵活变通

D.忽视道德建设