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【单选题】
若命题甲:“ 且 是真命题”, 命题乙:“ 或 是真命题”,则命题甲是命题乙的A.
充要条件
B.
必要不充分条件
C.
充分不必要条件
D.
既不充分也不必要条件
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举一反三
【单选题】What does the sentence 'If it is not speeding discoveries, it is certainly accelerating communication' most probably mean?
A.
The quick speed of correspondence may have ill-effects on discoveries.
B.
Although it does not speed up correspondence, it helps make discoveries.
C.
It quickens mutual communication even if it does not accelerate discoveries.
D.
It shrinks time for communication and accelerates discoveries.
【简答题】A．items B．goods C．objects D．discoveries
【单选题】What does the sentence 'If it is not yet speeding discoveries, it is certainly accelerating communication' most probably mean?
A.
The quick speed of discoveries may have ill effects on discoveries
B.
Although it dose not speed up correspondence, it helps to make discoveries
C.
It quickens mutual communication even if it does not accelerate discoveries
D.
It shrinks time for communication and accelerates discoveries
【简答题】某幕墙专业公司通过招投标从总承包单位承接了某机关办公大楼幕墙工程施工任务。双方合同约定，本工程实行包工包料，合同工期180个日历天。
在施工过程中，发生了以下事件：
事件一：按照合同约定，总承包单位应在8月1日交出施工场地，但由于总承包单位负责施工的主体结构没有如期完成，使幕墙开工时间延误了10d。
事件二：幕墙专业公司向某铝塑复合板生产厂订购铝塑复合板，考虑该生产厂具有与本工程规模相符的幕...
【简答题】A．origins B．sources C．bases D．discoveries
【单选题】What did Einstein credit his discoveries to?
A.
He credited his discoveries to orthodox intelligence more than imagination and endless questioning.
B.
He credited his discoveries to imagination and endless questioning more than orthodox intelligence.
C.
He credited his discoveries to imagination and orthodox intelligence.
【简答题】A) origins B) sources C) bases D) discoveries
【简答题】某幕墙专业公司通过招投标从总承包单位承接了某机关办公大楼幕墙工程施工任务。双方合同约定，本工程实行包工包料，合同工期180个日历天。
在施工过程中，发生了以下事件：
事件一：按照合同约定，总承包单位应在8月1日交出施工场地，但由于总承包单位负责施工的主体结构没有如期完成，使幕墙开工时间延误了10日。
事件二：幕墙专业公司向某铝塑复合板生产厂订购铝塑复合板，考虑该生产厂具有与本工程规模相符的幕墙安装...
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