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【单选题】
依据《中华人民共和国 义务 教育法》的规定,妨碍义务教育实施,造成重大社会影响的,负有领导责任的人民政府或人民政府教育行政部门的负责人()
A.
应被就地免职
B.
应承担刑事责任
C.
行政训诫
D.
应当引咎辞职
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【单选题】在12306.cn网站购票后,已经换取纸质车票或者在开车前( )分钟内需要办理改签时,需到车站售票窗口办理。
A.
20
B.
25
C.
30
D.
40
【多选题】下列关于硫酸铈法的说法正确的是()。
A.
硫酸铈在酸性溶液中是强氧化剂,能用高锰酸钾测定的物质,一般也能用硫酸铈法测定
B.
硫酸铈自身可作为指示剂(Ce4+黄色,Ce3+无色),灵敏度高于高锰酸钾法
C.
硫酸铈可在盐酸介质中直接滴定Fe2+,Cl-物影响
D.
硫酸铈的基本单元为Ce(SO4)2
【多选题】《铁路互联网售票暂行办法》在12306.cn网站购票后,遇以下几种情形,应当在购票后、开车前换取纸质车票后进站乘车:()
A.
需车票报销凭证的
B.
使用同行成年人有效身份证件信息购买儿童票的
C.
购买学生票、伤残军人(警察)优待票的
D.
乘车人按所购车票的乘车日期、车次在中途站进站乘车的
【单选题】What trend has occurred in the bear population since Europeans first came toAmerica?
A.
The population has become smaller.
B.
The population has become larger.
C.
There are fewer species than ever before.
D.
They have died out.
【单选题】Suzanne Matthews tells the nurse she ’ s worried she might be subfertile because both breast development and her first menstrual period occurred later than most of her friends. To increase her self-es...
A.
Adrenarche, the development of breasts, typically occurs before the first menstrual period.
B.
Breast development, termed mamarche, is not fully complete until about age 25 years.
C.
The time for development of breasts varies a great deal and is termed thelarche.
D.
Menarche, the term for breast development, typically occurs before 12 years of age.
E.
all above
【单选题】What occurred to TV bosses around the globe after the success of the first series of Survivor?
A.
That people want to experience what life is like in fareway places.
B.
That people might be interested in learning how to survive in a remote place.
C.
That viewers enjoy watching other people in difficult or embarrassing situations.
D.
That viewers may like to see how people strive for survival in a wild environment.
【单选题】不规则显性中,表现度不同与( )相关
A.
位点异质性
B.
基因多效性
C.
遗传背景
D.
限性遗传
【单选题】One of the first problems Kennedy inherited from his predecessor was the trouble with Cuba. What is the name of the failed invasion mission that occurred in 1961?
A.
The Cuban Missile Crisis
B.
The Bay of Pigs
C.
The Berlin Invasion
D.
World War 2
【单选题】题目: 血管升压素主要产生部位是 编号: CHHAAQCP
A.
神经垂体
B.
致密斑
C.
近球细胞
D.
正中隆起
E.
视上核
【多选题】下列关于硫酸铈法的说法正确的是()。
A.
硫酸是在酸性溶液中是强氧化剂,能够用高锰酸钾测定的物质,一般也能用硫酸铈法测定
B.
硫酸是自身可作为指示剂(Ce4+黄色,Ce3+无色),灵敏度高于高锰酸钾法
C.
硫酸铈法可在盐酸介质中直接滴定Fe2+,Cl-无影响
D.
硫酸铈的基本单元为Ce(SO4)2
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