Children live in a world in which
science has tremendous importance. During their lifetimes it will affect them
more and more. In time, many of them will work at jobs that depend heavily on
science--for example, concerning energy sources, pollution control, highway
safety, wilderness conservation, and population growth. As taxpayers they will
pay for scientific research and exploration. And, as consumers, they will be
bombarded (受到轰击) by advertising, much of which is said to be based on
science. Therefore, it is important that children, the citizens of the future, become functionally acquainted with science--with the process and spirit of science, as well as with its facts and principles. Fortunately, science has a natural appeal for youngsters. They can relate it to so many things that they encounter--flashlights, tools, echoes A. are ready to accept the pronouncements of others B. tend to reach conclusions with certainty C. are aware that others are likely to make hasty judgments D. seek truth through observation, experimentation and reasoning [单选题]社会物质生活条件是指:
A.自然界 B.人口因素 C.地理环境 D.地理环境、人口因素和生产方式的总和 [单选题]违反治安管理行为人主动消除或者减轻违法后果,并取得被侵害人谅解的()
A.减轻处罚或者不予处罚 B. 从轻处罚或者不予处罚 C.减轻处罚 D.从轻处罚 [判断题]交流发电机是应用电磁感应的原理发电的。( )
A.正确 B.错误 [单选题]第一产程指从开始出现规律宫缩直至宫口开全 10 厘米,经产妇大约需要( )。
A.2~3 小时 B.4~5 小时 C.6~8 小时 D.8~9 小时 [判断题]信息系统的账号、权限可自由分配。
A.正确 B.错误 [多选题]3.432.第432题
属于《居民用户家用电器损坏处理办法》第五条规定的电力运行事故引起家用电器损坏的,供电企业应会同居委会(村委会)或其他有关部门,共同对受害居民用户损坏的家用电器()等进行登记和取证。 A.名称 B.型号 C.数量 D.使用年月 E.损坏现象 [多选题]柜台人员的( )等实行个人负责制,由柜员自己妥善保管,按规定使用。
A. 名章 B. 授权卡 C. 操作密码 D. 身份识别卡 [单项选择]麦冬制剂主要用于治疗
A. 高血压 B. 冠心病心绞痛 C. 乙型病毒性肝炎 D. 肾功能衰竭 E. 胃溃疡 [填空题]8086CPU内部组成结构从功能上讲,可分为()和()两部分。
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