Seeing Red Means Danger Ahead The color red often means danger-and by paying attention,accidents can be prevented.In the future,the color red also may help{{U}} (51) {{/U}}danger at construction sites.Thanks to new work by engineers,bridge supports-or{{U}} (52) {{/U}}kinds of materials-could one day contain a color-changing material.It will turn red{{U}} (53) {{/U}}a structure collapses or falls apart. The secret{{U}} (54) {{/U}}the color-changing material is a particular type of molecule(分子).A molecule is a group of atoms(原子)held together by chemical bonds.Molecules come{{U}} (55) {{/U}}all shapes and sizes,and make up{{U}} (56) {{/U}}you can see,touch or feel.How a molecule behaves depends on {{U}} (57) {{/U}}kinds of atoms it contains,and how t A. until B. although C. after D. before [填空题]仅依据规格说明书描述的程序功能来设计测试实例的方法称为 【6】 。
[多选题]下列不办理变更到站的有( )。
A.批量快运货物 B.20英尺35吨敞顶箱运输的货物 C.执行运价下浮的货物 D.零散快运货物 [单项选择]下面几部法律中,专门保护小学生的法律是()
A. 《义务教育法》 B. 《未成年人保护法》 C. 《学生伤害事故处理办法》 D. 《教师法》 [多选题]电缆工作中,使用携带型火炉或喷灯时,不准在()附近以及在电缆夹层、隧道、沟洞内对火炉或喷灯加油及点火。
A.带电导线 B.带电设备 C.变压器 D.油断路器(开关) [单选题](77837)CJ8Z-150Z电磁接触器主触头超程( )。(2.0分)
A.≥2.5 mm B.≥3 mm C.≥3.5 mm D.≥4 mm [单选题]4号线全线共有______座有岔站。( )
A.10 B.11 C.9 D.8 [单选题]麻醉药品实行的“五专”管理即指 ( )
A.专人保管、专柜发放、专科使用、专用帐册、专用处方 B.专人保管、专柜加锁、专科使用、专用帐册、专用处方 C.专人保管、专柜加锁、专册登记、专人专用、专用处方 D.专人保管、专柜加锁、专册登记、专用帐册、专用处方 [不定项选择题]共用题干
Animal's “Sixth Sense”
A tsunami(海啸)was triggered(引发)by an earthquake in the Indian Ocean in December, 2004.It killed tens of thousands of people in Asia and East Africa. Wild animals,1, seem to have escaped that terrible tsunami. This phenomenon adds weight to notions that they possess a“sixth sense” for2 ,experts said. Sri Lankan wildlife officials have said the giant waves that killed over 24,000 people along the Indian Ocean island's coast clearly 3 wild beasts,with no dead animals found. “No elephants are dead,not4a dead rabbit. I think animals can5 disaster. They have a sixth sense. They know when things are happening,” H. D. Ratnayake,deputy director of Sri Lanka's Wildlife Department,said about one month after the tsunami attack. The6washed floodwaters up to 2 miles inland at Yala National Park in the ravaged(被 毁坏的)southeast, Sri Lanka's biggest wildlife7and home to hundreds of wild elephants and several leopards(豹). “There has been a lot of8 evidence about dogs barking or birds migrating before volcanic eruptions(火山爆发)or earthquakes. But it has not been proven ,” said Matthew van Lierop,an animal behavior 9 at Johannesburg Zoo. “There have been no10studies because you can't really test it in a lab or field setting , ” he told Reuters. Other authorities concurred(同意)with this11. “Wildlife seem to be able to pick up certain12 ,especially birds…there are many re- ports of birds detecting impending(迫近的)disasters , ” said Clive Walker , who has written several books on African wildlife. Animals13 rely on the known senses such as smell or hearing to avoid danger such as predators(食肉动物). The notion of an animal “sixth sense”一or14other mythical power一is an enduring one which the evidence on Sri Lanka's ravaged coast is likely to add15. 7._________ A.birthplaces B.playground C.reserve D.storage [单选题]( )是教师职业道德评价的最高标准。
A.培育德智体全面发展的学生 B.培养四有新人 C.养成心理健康、人格健全的大学生 D.人的全面自由发展 [判断题]离子色谱仪的安培检测器沒有响应原因之一是选择了错误的输出范围。
A.正确 B.错误 [单选题]允许速度大于120km/h且不大于160km/h的正线道岔地段,轨距的静态几何不平顺计划维修容许偏差管理值为()mm。
A.+2,-2 B.+3,-2 C.+4,-2 D.+5,-3 [判断题]工作人员状态良好,安全距离与位置适当,能看见、听见指令信号,有无穿戴好防护用品。( )
A.正确 B.错误 [单选题]1.70 车辆识别代号(VIN)共_______位字码。
A.15 B.16 C.17 D.18 [判断题]( )576.堆料作业过程中如出现安全、货运质量事故,司机不用停机,但需向中央控制室调度员和值班长报告。(货散-堆场003)
A.正确 B.错误 [单选题]"某设置中有中央空调送风系统的建筑,其火灾自动报警系统中的点型火灾探测器至空调送风口和多孔送风顶棚孔口边缘的水平距离,分别不应小于( )m。
A.1.2,1.0 B.2.0,1.0 C.1.0,1.5 D.1.5,0.5" [多项选择]影响企业市场增加值的因素有( )。
A. 投资资本回报率 B. 资本成本 C. 增长率 D. 股利支付率 [判断题]高速断路器HB在主电路中位于滤波电抗器之后。()
A.正确 B.错误 [单选题]虚开增值税专用发票或者虚开用于骗取出口退税、抵扣税款的其他发票,虚开的税款数额在()元以上或者致使国家税款被骗数额在()元以上的,应予移送。
A.10000;5000 B.5000;10000 C.100000;200000 D.200000;100000 [单选题]转向架上的()的另一个作用是空气弹簧附加气室。
A.侧梁 B.前端梁 C.辅助风缸 D.构架横梁 [单项选择]依据《安全生产法》的规定,对安全设备的管理必须严格依照国家标准或行业标准,其设计、( )、安装、使用、检测、维修、改造和报废都要“达标”。
A. 加工 B. 制造 C. 生产 D. 经营 [单项选择]在下列各项中谁具有达到项目质量目标的多种职责()
A. 项目工程师 B. 项目经理 C. 职能经理 D. 质保经理 E. 项目业主 [单项选择]
Broadly speaking, the Englishman is a quiet, shy, reserved person who is fully (1) only among people he knows well. [单项选择]除了勤奋的探索精神外,牛顿的研究方法也给后人以借鉴。其研究方法被后人总结为()
A. 归纳法 B. 演绎法 C. 归纳—演绎法 D. 三段论 [填空题]派班员应与 做好互控,确保早班司机按时出勤。
[单项选择]证券从业人员获得从业资格后,还应当获得执业资格,对于申请执业注册,下列说法正确的是( )。
A. 应当向中国证监会申请 B. 应当通过所在机构向中国证监会申请 C. 应当直接向证券中国证券业协会申请 D. 应当通过所在机构向中国证券业协会申请 [单选题]机器安装基础不均匀下沉,会引发( )。
A.转子不平衡 B.转子不对中 C.地脚螺栓松动 D.滑动轴承失效 [多项选择]关于混凝土小型空心砌块的要求叙述正确的是()。
A. 施工时所用的小砌块的产品龄期不应小于18d B. 承重墙体严禁使用断裂小砌块 C. 小砌块应顶面朝上反砌于墙上 D. 小砌块和砂浆的强度等级必须符合设计要求 E. 每一生产厂家,每1万块小砌块至少应抽检一组 我来回答: 提交
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