{{B}}Easy Learning{{/B}} Students should be jealous. Not only do babies get to doze their days away, but they’ve also mastered the fine art of learning in their sleep. By the time babies are a year old they can recognise a lot of sounds and even simple words. Marie Cheour at the University of Turku in Finland suspected that they might progress this fast because they learn language while they sleep as well as when they are awake. To test the theory, Cheour and her colleagues studied 45 newborn babies in the first few days of their lives. They exposed all the infants to an hour of Finnish vowel sounds -- one that sounds like "oo", another like "ee" and a third boundary vowel peculiar to Finnish and similar languages that sounds like something in betwe [单选题][T]B-A-B-A-025 3 2 3
列车在区间被迫停车不能继续运行时,司机应立即使用列车无线调度通信设备通知列车调度员(两端站)及随车机械师(车辆乘务员),报告( ),根据需要迅速请求救援。 A.停车原因和停车位置 B.停车时间和停车位置 C.停车原因和影响程度 D.停车时间和动车时间 [单选题]对个体发展起主导作用的是( )
A.父母 B.教育 C.环境 D.遗传 [单项选择]光缆单盘检测对光缆长度进行复测时,要求其抽样率为()%。
A. 50 B. 60 C. 80 D. 100 [单选题]当主断分按钮【 】灯亮时,表示所有高速断路器已处于断开状态。
A.红 B.黄 C.橙 D.绿 [判断题]敷设直埋地下1 kV以下的电缆,在无直接机械损伤及化学侵蚀的情况下应采用铠装电缆。( )
A.正确 B.错误 [单选题]车站产生的无效票及物理损坏的票卡,由( )安排人员下站回收。
A.企业管理室 B.安全技术部 C.综合管理室 D.经营管理部 [简答题]起重工作中,遇到有下列( )情况,应制定专门的安全技术措施,经本单位批准,作业时应有技术负责人在场指导,否则不准施工。
[单项选择]耳可以听到声音的频率范围,通常是(),这个频率范围的声音称可听声。
A. 10~1000Hz B. 30~3000Hz C. 20~2000Hz D. 40~4000Hz [单项选择] Question 26 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question. Now, listen to the news.
A. The celebration of Vladimir Pupin’s winning of the presidential election. B. The result of Russia’s presidential election. C. Dmitry Midvale’s foreign policy. D. Accusations of the current administration’s malpractice. [判断题]. 计算机安全和防火、防盗没有关系。
A.正确 B.错误 [单项选择]牙周病最有效的预防措施有
A. 定期洁治,养成良好的口腔卫生习惯 B. 盐水漱口,使用药物牙膏 C. 改变偏侧咀嚼习惯 D. 定期调,去除创伤因素 E. 牙龈翻瓣手术 [单项选择]施工招标项目工期超过( )的,招标文件中可以规定工程造价指数体系、价格调整因素和调整方法。
A. 30天 B. 60天 C. 79天 D. 12个月 [单项选择]CAD常用造型系统模型不包括()。
A. 线框模型 B. 节点模型 C. 实体模型 D. 表面模型 我来回答: 提交
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