Language learning begins with
listening. Individual children vary greatly in the amount of listening they do
before they start speaking, and late starters are often long listeners. Most
children will "obey" spoken instructions some time before they can speak, though
the word obey is hardly accurate as a description of the eager and delighted
cooperation usually shown by the child. Before they can speak, many children
will also ask questions by gesture and by making questioning noises. Any attempt to trace the development from the noises babies make to their first spoken words leads to considerable difficulties. It is agreed that they enjoy making noises, and that during the first few months one or two noises sort themselves out as particularly indicative of delight, distress, sociability, and so on. But since these cannot A. parents can never hope to teach their children new sounds B. children no longer imitate people after they begin to speak C. children who are good at imitating learn new sounds more quickly D. even after they have learnt to speak children still enjoy imitating [单选题]编制零件机械加工工艺规程、生产计划和进行成本核算最基本的单元是()。
A.工步 B.工位 C.工序 D.走刀 [填空题]安全策略包括技术手段和解决方案,如();()、防火墙技术、入侵检测技术和安全隔离技术等。
[填空题]《国家电网有限公司95598客户服务业务管理办法》规定:充电设施故障抢修人员应按照( ),( ),如实向上级部门汇报抢修进展情况,直至故障处理完毕。
[单项选择]自动变速器中行星齿轮机构的动力是由液力变矩器的()输入。
A. 飞轮 B. 泵轮 C. 涡轮 D. 导轮 [单选题]两相触电时,作用于人体的电压等于( )。 A. 相电压 B. 线电压
A.A B.B [多选题]我国安全生产管理的基本体制模式可归结为( )。
A.政府统一领导 B.部门依法监管 C.企业全面负责 D.社会监督支持 [多选题](多选题)下列选项中,对文物保护工程勘察报告的基本要求认识错误的是?
A.勘察目标应是勘察报告正文部分的首要内容 B.《中国文物古迹保护准则》属于勘察工作依据 C.应附工作量清单及勘探点平面布置图 D.勘察对象的概述在勘察报告中无需成为一个独立章节 E.关于文物保护单位在现行政区划中的位置及与周边城镇的关系的图片可酌情省略 [判断题]查阅人可以对电子会计档案进行抄录.照相.打印.修改和拷贝。
A.正确 B.错误 [判断题]变压器零序保护是线路的后备保护。
A.正确 B.错误 [单项选择]不属于行为治疗的基本原则是
A. 要有适当的进度 B. 要有适当的奖赏 C. 要有积极的生活态度 D. 训练的目标要恰当 E. 培训足够的动机 [单选题]《生产经营单位安全培训规定》规定,从业人员在调整工作岗位或离岗()年以上重新上岗时,应重新接受安全培训。
A.1 B.2 C.3 D.4 [判断题]知识产权具有地域性,分地域取得和行使。
[多选题]火灾现场逃生方法有( )。
A.逃生预演,临危不乱 B.熟悉环境,暗记出口 C.保持镇静,明辨方向 D.迅速撤离,不贪财物 [单项选择]沙龙一般可分为()、学术、社交、联谊、文艺五种类型。
A. 生日 B. 综合 C. 女性 D. 绘画 [单选题]下列不是压缩和液化气体的危险特性是( )。
A.易燃易爆性 B.放射性 C.可压缩性膨胀性 D.氧化性 [判断题]在没有绷带急救伤员的情况下,可用毛巾、手帕、床单、长筒尼龙袜子等代替绷带包扎。 ( )
A.正确 B.错误 [填空题]天线的倾角主要是用与()和()。
[多选题]下列关于机动车与非机动车驾驶人、行人之间发生交通事故正确的是()。
A.非机动车驾驶人、行人没有过错的,由机动车一方承担赔偿责任 B.交通信有证据证明非机动车驾驶人、行人有过错的,根据过错程度适当减轻机动车一方的赔偿责任号灯 C.交通机动车一方没有过错的,承担不超过百分之十的赔偿责任标线 D.机动车一方没有过错的,不承担赔偿责任 [填空题]为了降低炉内的炉气流速,一般把炉尾做成()。
[单项选择]上轴在转动时若有一定的径向圆跳动,则工件加工后会产生()的误差。
A. 垂直度 B. 同轴度 C. 斜度 D. 粗糙 [判断题]注意是一种独立的心理过程( )
A.正确 B.错误 [单选题]已签发或批准的作业票应由( )收执,签发人宜留存备份。
A.作业负责人 B.专责监护人 C.技术负责人 D.安全负责人 [单选题]配网工程竣工图由()负责编制,擅自变更设计图纸的将严肃追究相关单位责任。
A.施工单位 B.业主单位 C.设计单位 D.监理单位 [填空题]在电气化铁路线路上作业,应遵守下列规定:起道作业一股钢轨起道时,一次作业起道量不得超过<--NRC-->mm。
[简答题]计算图:反应器出口剩余氨气的质量为210Kg/h,进入急冷塔上段的水量为2910Kg/h,求硫铵浓度?(最终结果保留小数点后两位)
[单项选择]Questions from 36 to 40 are based on the following passage:
Against this background, the WTO faces several daunting challenges. The first is to continue bringing down tariffs on traded goods. Average penalties have fallen steadily since the GATT’s formation but even the most open economies retain lofty barriers: for instance, America still charges a tariff of 14.6% on import of clothing, five times higher than its average levy.
Resistance to tariff cuts is strongest in agriculture. According to Tim Josling, a trade expert at Stanford University, tariffs and other barriers on farm goods average a crippling 40% worldwide and create distortions that “destroy huge amounts of value”. A new set of global farm talks is planned to start in 1999. At the least, you might think, these could lock in impressive reforms in Latin America and encourage further watering-down of the European Union’s Common Agricultural Policy. But they will prove difficult: squabbles over agriculture a
A. America B. Asia C. Latin America D. Africa [单选题]WD-320动力稳定车的车钩缓冲器为()橡胶缓冲器。
A.1号 B.2号 C.3号 D.MX-1型 我来回答: 提交
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