热门试题:
[单选题]The destruction of habitats(栖息地)all over the world is the primary reason species are?becoming extinct(灭绝)or endangered.Houses,highways,dams,industrial buildings,and?ever-spreading farms now dominate?21?formerly occupied by forests,deserts,and wetlands.22?the beginning of European settlement in America,23,
over 65,000,000 acres of?wetlands have been drained.One million acres alone vanished
24?1985 and 1995.
Habitat destruction can be?25?or it can be subtle,occurring over a
26?period of time?without being noticed.27?such as sewage from cities and chemical runoff fromfarms,can change?the?28?and quantity of water in streams and rivers.To?29?living in a delicately balanced?habitat,this disturbance can be as
30?as the clear-cutting of a rainforest.
31?remaining habitats are carved into smaller and smaller pockets or islands,remaining?species are forced to exist in these?32?areas,which causes further habitat?33?These?species become less adaptable to environmental?34;in fact,they become?35?endangered.Scientists believe that when a habitat is cut by 90%,one-half of its plants,animals and insects will?become extinct.
第24题的答案是( )
A.both
B.in
C.Between
D.before
[判断题]正线上禁止停留机车车辆。
A.正确
B.错误
[单选题]党的十九大报告指出,经过长期努力,中国特色社会主义进入了,这是我国发展新的历史方位。()"
A.新时代
B.新纪元
C.新阶段
D.新时期
[单项选择]某黄金周假期中3天属于法定假日,另4天属于前后两周的周末公休日的调休。公司安排小王在这7天加班,不安排补休。小王的日工资为100元。根据《劳动法》,公司应当向小王支付不低于()的工资报酬。
A. 1000元
B. 1400元
C. 1700元
D. 2100元
[单选题]行政处罚法律文书应当在做出行政处罚决定( )日内送达当事人。
A.15日
B.7日
C.5日
D.3日
[单项选择]控制杠杆、控制杆、调整螺杆、连接杆等磨耗大于()mm时卸下修理,裂纹时更换。
A. 1
B. 2
C. 3
D. 4
[判断题]专责监护人临时离开时,应指定一名工作人员担任临时监护人。
A.正确
B.错误
[多选题]关于TOD的公共控制区用于实现的功能有( )
A.打开LCD亮度调节对话框
B.报警声音控制开关
C.显示司机号,打开登陆对话框
D.显示系统时间
[判断题]开展水域救援时,必须持证驾驶舟艇,驾驶员精力集中,控制速度,保持船身稳定,躲避障碍物。( )
A.正确
B.错误
[单项选择]一旦中心节点出现故障则整个网络瘫痪的局域网的拓扑结构是()。
A. 星型结构
B. 树型结构
C. 总线型结构
D. 环型结构
[单选题]安全生产中介机构不包括( )
A.安全生产资格考核机构
B.安全设计、评价等机构
C.安全生产认证、咨询机构
D.安全检测检验机构
[单选题]GW5型隔离开关更换流程不包括(____)。
A.旧开关拆除
B.新开关安装
C.旧开关调整
D.新开关调整
[填空题]关键过程指对形成产品___起决定作用的过程。
[单项选择]询问患者现在症的方法,首先应该是( )
A. 询问饮食情况
B. 按十问内容逐次询问
C. 抓住主症展开询问
D. 根据症状进行询问
[单选题]各级行内设机构主要负责人在同一岗位任职满( )须轮岗。
A.3年
B.5年
C.6年
D.8年
[单项选择]延伸卡环适用于()
A. 孤立牙
B. 远中孤立的磨牙
C. 相邻两牙间有间隙者
D. 倾斜基牙
E. 松动或牙冠外形差的基牙
[判断题] ( )检修10米以内的母线,可以只装一组地线。
A.正确
B.错误
[多选题]第五套人民币使用的防伪印刷技术主要有()
A.雕刻凹版印刷
B.接线印刷
C.缩微文字印刷
D.阴阳互补对印图案印刷
[单项选择]
Passage Two
The other day I heard an American say to a Chinese student of English "You speak very good English." But the student answered, "No, no. My English is very poor." the foreigner was quite surprised at the answer. Thinking he had not made himself understood or the student had not heard him clearly, he said, "Yes indeed, you speak English very well." But the Chinese student still kept saying "No. "In the end the foreigner gave up and was at a loss what to say. What’s wrong with the student’s answer It is because he did not accept a compliment<赞美的话>as the English people do. He should have said "Thank you" instead of "no". He actually understood what the American had said. But he thought he should be modest. If he said "Thank you", that would mean he was too proud. According to the western culture, if someone says the dishes you have cooked are very delicious, you should say &qu
A. Confidence is more important than modesty.
B. How to accept compliments given by westerners.
C. The Chinese people are modest while westerners are confident.
D. About the western cultur
[单选题]第一、二种工作票需办理延期手续,应在工期尚未结束以前由()提出申请。
A.A.工作负责人向工作票签发人
B.B.工作许可人向运维负责人
C.C.工作负责人向运维负责人
D.D.工作许可人向工作票签发人
[填空题]确因作业需要必须横越列车、车列(组)时,应先确认列车、车列(组)<--NRC-->,然后由车辆通过台或两车钩上越过。
[单选题]交流10kV母线电压是指交流三相三线制的( )。
A.线电压
B.相电压
C.线路电压
[多选题]塔式起重机的拆装作业必须在( )进行。
A.温暖季节
B.白天
C.晴天
D.良好照明条件的夜间
E.寒冷季节
[判断题]堆焊内孔壁时,往内孔填砂进行堆焊可提高生产效率。( )
A.正确
B.错误
[判断题]在生产过程中出现异常事故,只要在处理范围内就可以不上报
A.正确
B.错误
[多项选择]Which two of these are recommended practices with trunks? ()
A. use ISL encapsulation
B. use 802.1q encapsulation
C. set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation
D. use VTP server mode to support dynamic propagation of VLAN information across the network
E. set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.
[单项选择]指出维生素C注射液最适宜的灭菌方法
A. 环氧乙烷灭菌法
B. 流通蒸汽灭菌法
C. 热压灭菌法
D. 滤过除菌法
E. 干热灭菌法
[单选题]关于商业银行流动性风险与其他风险的相互作用关系,下列表述错误的是( )。
A.流动性风险形成原因更复杂
B.流动性风险涉及的范围更广
C.流动性风险管理只需做好流动性安排
D.流动性风险被视为多维的风险
[单项选择]三相六拍通电方式的步进电动机,若K=2,则步距角θs=()。
A. 30º
B. 15º
C. 60º
[单选题]举高消防车收臂(架)操作顺序正确的是:( )
A.缩回臂(梯)架-回转-落变幅
B.回转-缩回臂(梯)架-落变幅
C.落变幅-回转-缩回臂(梯)架
D.以上都不对
[单选题]护理人员在未取得执业证书期间可以独立做的临床护理工作是( )
A.与患者沟通观察病情
B.静脉穿刺
C.肌内注射
D.过敏试验
E.给患者服药
[判断题]两台及以上并列运行的变压器,其中一台故障跳闸不能投入时,运行的变压器可按事故过负荷的规定运行。
A.正确
B.错误
[单选题]利用天窗施工、维修作业,列车调度员须发布调度命令,受令者为()。
A.车站值班员
B.司机
C.车站值班员和司机
D.应急值守人员
[单项选择]25岁妇女,停经3个月,阴道不规则出血1月余,查:血红蛋白7g/dl,阴道前壁有紫蓝色结节,大小如胡桃,宫颈口松,子宫如4个半月妊娠大小,血 HCG大于20000U/L,应考虑为
A. 良性葡萄胎
B. 侵蚀性葡萄胎
C. 双胎妊娠
D. 妊娠合并子宫肌瘤
E. 先兆流产