| The air is polluted. The earth is
poisoned. Water is unsafe to drink and garbage is burying the civilization that
produced it. Our environment is being polluted faster than nature and man’s efforts can prevent it, Time is bringing us more people, and more people will bring us more industry. More people and more industry will bring us more motorcars, larger cities, and the growing use of man-made materials. This is happening not only in advanced societies but also among the developing nations as they become industrialized. Now many scientists are worrying about the possibility of world pollution. Some experts declare that the balance of nature is being so upset that the very survival of human beings in danger. What can solve this problem The fact is that pollution is caused by man--by his greed and his modern way of A. increasing industrialization B. the modern way of life C. man D. none of the above [多选题]中型检修现场指挥部由（）的相关人员组成。
A.A.省检修公司分部（中心） B.B.地市公司业务室 C.C.县公司 D.D.外包施工单位 [单项选择]慢性输卵管积水表现为（）
A. 双侧附件出现纺锤形包块 B. 包块内部均为实性回声 C. 包块后方回声减弱 D. 内部回声强弱一致、均匀 E. 双卵巢增大，轮廓清晰 [判断题]汽车起重机在作业时可收回支腿。
A.正确 B.错误 [单项选择]水体污染物的迁移是指（）。
A. 污染物从一点转移到另一点 B. 污染物从一种介质转移到另一种介质 C. 污染物改变了原有的化学性质、毒性和生物学效应 D. 污染物在水中逐渐扩散，以致浓度降低 E. 污染物在水中只发生浓度的变化 [单选题]根据《旅游法》规定,包价旅游合同的服务要素应当包含交通、住宿、餐饮、游览、导游或者领队服务中任意( )项或以上服务的组合。
A.两 B.三 C.四 D.五 [单项选择]滴虫（）。
A. 黄色泡沫状稀薄白带 B. 灰色鱼腥昧白带 C. 乳凝块状白带 D. 脓性白带 E. 水样白带有臭味 [判断题]作业工人进入施工现场,必须戴好安全帽并扣牢帽带。禁止穿拖鞋或赤脚。在没有防护设施的高空、悬崖和陡坡施工,必须系安全带。( )
A.正确 B.错误 [不定项选择题]某男25岁。1周前患风热头痛,近日又患赤肿痛羞明。治当疏散风热,明目退醫，宜选用的药是( )
A.熊胆 B.秦皮 C.夏枯草 D.谷精草 E.青葙子 我来回答: 提交
|
