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【单选题】
证明DNA是遗传物质的第一个实验证据是“肺炎双球菌的转化实验”，肺炎双球菌有两种类型，无荚膜(R株)细菌不能使小鼠发病；有荚膜(S株)细菌使小鼠得肺炎而死亡。下列哪一项叙述不能证明DNA是遗传物质 [     ]
A.
用S株给小鼠注射，小鼠死亡；用R株给小鼠注射，小鼠不死亡
B.
用S株DNA与活R株细菌混合注射，小鼠死亡
C.
加热杀死S株并与活R株细菌混合注射到小鼠体内，小鼠死亡
D.
用DNA酶处理S株DNA后,与R株细菌混合注射到小鼠体内，小鼠不死亡
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举一反三
【单选题】关于非全日制用工，以下说法正确的是( )
A.
非全日制用工同样要订立书面劳动合同
B.
劳动者一方可以随时通知用人单位终止用工。用人单位提出终止用工的，应向劳动者支付经济补偿
C.
从事非全日制用工的劳动者可以与—个以上用人单位订立劳动合同
D.
非全日制用工劳动报酬结算支付周期最长不得超过两个星期
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【多选题】下列关于非全日制用工的说法正确的有（ ）。
A.
非全日制用工以小时计酬为主
B.
非全日制用工每周的工作时间累计不超过24小时
C.
非全日制用工双方当事人可以订立口头协议
D.
非全日制用工双方当时不得约定试用期
E.
非全日制用工劳动报酬结算支付周期最长不得超过7天
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】关于非全日制用工，以下说法不正确的是
A.
非全日制用工，是指以小时计酬为主，劳动者在同一用人单位一般平均每日工作时间不超过四小时，每周工作时间累计不超过二十四小时的用工形式
B.
非全日制用工的劳动者可以与一个或者一个以上用人单位订立劳动合同
C.
非全日制用工的劳动者若和两个用人单位订立了劳动合同，可以视具体工作的轻重缓急决定先履行哪个劳动合同约定的工作任务
D.
非全日制用工的劳动者若和多个用人单位订立了劳动合同，后订立的劳动合同不得影响先订立的劳动合同的履行
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
相关题目：
【单选题】关于非全日制用工，以下说法正确的是( )
A.
非全日制用工同样要订立书面劳动合同
B.
劳动者一方可以随时通知用人单位终止用工。用人单位提出终止用工的，应向劳动者支付经济补偿
C.
从事非全日制用工的劳动者可以与—个以上用人单位订立劳动合同
D.
非全日制用工劳动报酬结算支付周期最长不得超过两个星期
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【多选题】下列关于非全日制用工的说法正确的有（ ）。
A.
非全日制用工以小时计酬为主
B.
非全日制用工每周的工作时间累计不超过24小时
C.
非全日制用工双方当事人可以订立口头协议
D.
非全日制用工双方当时不得约定试用期
E.
非全日制用工劳动报酬结算支付周期最长不得超过7天
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】关于非全日制用工，以下说法不正确的是
A.
非全日制用工，是指以小时计酬为主，劳动者在同一用人单位一般平均每日工作时间不超过四小时，每周工作时间累计不超过二十四小时的用工形式
B.
非全日制用工的劳动者可以与一个或者一个以上用人单位订立劳动合同
C.
非全日制用工的劳动者若和两个用人单位订立了劳动合同，可以视具体工作的轻重缓急决定先履行哪个劳动合同约定的工作任务
D.
非全日制用工的劳动者若和多个用人单位订立了劳动合同，后订立的劳动合同不得影响先订立的劳动合同的履行
查看完整题目与答案
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
查看完整题目与答案
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