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Why is the Native Language Learnt So
Well How does it happen that children learn their mother tongue so well When we compare them with adults learning a foreign language, we often find this interesting fact. A little child without knowledge or experience often succeeds in a complete mastery of the language. A grown-up person with fully developed mental powers, in most case, may end up with a faulty and inexact command. What accounts for this difference Despite other explanations, the real answer in my opinion lies partly in the child himself, partly in the behavior of the people around him. In the first place, the time of learning the mother tongue is the most favorable of all, namely, the first years [单项选择]（）是船上最简便的救生设备。
A. 救生衣 B. 救生圈 C. 救生艇 [多项选择]For this part, you are allowed 30 minutes to write a short essay entitled Students’’ Union, Associations and Personal Development. You should write at least 150 words following the outline given below.
1．大学里学生会和各种社团的现状
2．参加学生会和各种社团对个人发展的作用
3．我的观念中大学生对待学生会和社团活动的正确态度
[简答题]问题同上
[多项选择]电桥平衡时，下列说法正确的有：（）。
A. 检流计的指示值为零 B. 相邻桥臂电阻成比例，电桥才平衡 C. 对边桥臂电阻的乘积相等，电桥也平衡 D. 四个桥臂电阻值必须一样大小，电桥才平衡 [多项选择]当采用排水沟排水时，( )个淋浴器可设置一个直径为100mm的地漏。
A. 3 B. 5 C. 8 D. 10 [判断题]在非自动闭塞的电气化区段上更换钢轨时换轨前应在被换钢轨两端轨节间纵向安设一条截面不小于70mm2的铜导线。（ ）
A.正确 B.错误 [判断题]（121)往复泵的效率一般比离心泵要低。（ ）
A.正确 B.错误 [多选题]依据《安全生产法》规定，生产经营单位的主要负责人对本单位安全生产工作负有的职责包括（ ）
A.组织制定并实施本单位安全生产规章制度和操作规程 B.组织制定并实施本单位安全生产教育和培训计划 C.保证本单位安全生产投入的有效实施 D.组织建立并落实安全风险分级管控和隐患排查治理双重预防工作机制 [单项选择]关于临终关怀符合伦理学的原因，说法错误的是
A. 可以减轻家庭的经济负担 B. 提高病人的生命质量 C. 可以缩短病人的痛苦的生命时限 D. 客观上可以节约卫生资源 E. 为了人类文明的进步 [多选题]实际生产过程中再生器各路主风量的调节需结合（）等实际情况进行微调。
A.烧焦负荷 B.烧焦比例控制 C.烧焦管线速 D.密相床线速 [单项选择]
The Smog (烟雾) For over a month, Indonesia was in crisis. Forest fires raged out of control as the country suffered its worst drought for 50 years. Smoke from the fires mixed with sunlight and hot dry air to form a cloud of smog. This pollution quickly spread and within days it was hanging over neighbouring countries including Malaysia, Singapore and Thailand. When the smoke combined with pollution from factories and cars, it soon became poisonous (有毒的). Dangerous amounts of CO became trapped under the smog and pollution levels rose. People wheezed (喘息) and coughed as they left the house and their eyes watered immediately. The smog made it impossible to see across streets and whole cities disappeared as grey soot (烟灰) covered everything. In some areas, water was hosed (用胶管浇) from high-rise city buildings to try and break up the smog. Finally, heavy rains, which came came in November. Put out the fires and clear the air. But the environmental costs and health problems will remain Many people from South-Eastern Asian cities already suffer from breathing huge amounts of car exhaust fumes (汽车排放的废气) and factory pollution. Breathing problems could well increase and many non-sufferers may have difficulties for the first time. Wildlife has suffered too. In lowland forests, elephants, deer, and tigers have been driven out of their homes by smog. But smog is not just an Asian problem. In fact, the word was first used in London in 1905 to describe the mixture of smoke and thick fog. Fog often hung over the capital. Sometimes the smog was so thick and poisonous that people were killed by breathing problems or in accidents. About 4,000 Londoners died within five days as a result of thick smog in 1952.The forest animals haven’t been affected by the smog. A. Right B. Wrong C. Not mentioned [单选题]剩余电流动作保护器动作后，应迅速查明原因，（ ）后，方能投运。
A.更换设备 B.更换保护器 C.排除故障 D.更换导线 [多选题]水泵接合器有（）类型。
A.地上式 B.地下式 C.墙壁式 [单选题]固定配属的专用货车应按规定涂打（ ）标记。
A.定检 B.特殊 C.试验 D.配属 [多选题]( )对于（），往往地层漏失压力比破裂压力小得多，而且对钻井安全作业危害很大。
A.正常压力的高渗透性砂岩 B.裂缝性地层 C.断层破碎带 D.不整合面处 E.正常压实的泥页岩 [单选题] 根据《上海证券交易所股票上市规则》，保荐人应当在签订保荐协议时指定（ ）名保荐代表人具体负责保荐工作。
A. 一 B. 两 C. 三 D. 四 [多选题]一级动火时，( )应始终在现场监护。
A.工区分管生产的领导 B.技术负责人（总工程师） C.动火工作许可人 D.消防（专职）人员 [单项选择]有关胎心，下述不正确的是（ ）
A. 妊娠20周左右可听到 B. 听到胎心可确诊妊娠 C. 为单音响，在远离肢体侧清楚 D. 双胎两个胎心率可不一样 E. 需与子宫血流音区别 [判断题]相邻杆塔同时在同相（极）位安装附件时，应制订防干扰措施并密切配合。（）
A.正确 B.错误 [多选题]《中国南方电网有限责任公司客户问题处理作业指导书》：服务调度员跟踪各类问题处理进程，对即将或已经超时处理的问题，采用（）等方式向负责处理人员进行督办。
A.电话 B.QQ C.短信 D.督办单 [多选题]居民住宅区的物业管理单位应当履行的消防安全职责有( )。[中]
A.制定消防安全制度,落实消防安全责任,开展消防安全宣传教育 B.开展防火检查,消除火灾隐患 C.保障疏散通道、安全出口、消防车通道畅通 D.保障公共消防设施、器材以及消防安全标志完好有效 [单项选择]经营者不得以格式合同、通知、声明、店堂告示等方式减轻、免除其损害消费者合法权益应当承担的民事责任，这是经营者的( )。
A. 保证人身和财产安全的义务 B. 确保宣传内容真实的义务 C. 公平合理交易的义务 D. 保证商品或服务符合要求的义务 [多选题]地铁储值卡的维修业务，以下描述哪些是正确的？（）
A.A.卡面完好时，免费维修 B.卡面受损时，客服岗需向乘客解释后收取20元维修费，再办理维修业务 C.当乘客对维修费提出异议时，可提供20元发票作为收费凭证 D.卡面受损时，乘客自行负责，不办维修 我来回答: 提交
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