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【单选题】
物联网与互联网上传统业务相比有不同的特点,与其说物联网是网络,不如说物联网是( )形态。
A.
感知或应用
B.
业务或应用
C.
感知或业务
D.
数据或应用
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【单选题】设 是来自总体 的样本,则样本均值和样本方差的数学期望分别为( )。
A.
;
B.
;
C.
;
【简答题】第二节:完形填空(共20小题,每小题1.5分,满分30分) 阅读下面短文,掌握其大意,然后从36-55各题所给的四个选项A、B、C和D中,选出可以填入空白处的最佳选项。 When I was ten, my family moved to a housing project in East Los Angeles. Even though we struggled to make  36  mee...
【简答题】My parents influenced us with the concepts of family, faith and love for one’s motherland when l was young.Even though we struggled to make ends meet, they stressed how fortunate we were to live in a ...
【单选题】Though I love my dad, ___ I quarrel with him a lot.
A.
but
B.
then
C.
that
D.
/
【单选题】危险货物装卸作业时,对撒漏的黄磷应( )。
A.
立即侵入水中
B.
侵入煤油或液体石蜡中
C.
移至安全处
D.
清扫干净
【简答题】阅读理解。 Dear Mom, I'm sorry that I can't go back home for Mother's Day next week. On that day, I'll have to go to an important meeting for my boss, who helps me a lot with my work and life here. But I'l...
【判断题】由奥黛丽∙赫本主演并获得1964年奥斯卡最佳影片的《窈窕淑女》(My Fair Lady,1964)在一定程度上体现出轻歌剧的风格特色。
A.
正确
B.
错误
【简答题】线性电阻元件上的电压、电流关系,任意瞬间都受 定律的约束;电路中各支路电流任意时刻均遵循 定律;回路上各电压之间的关系则受 定律的约束。这三大定律是电路分析中应牢固掌握的 规律。
【简答题】Dear Mom, I’m sorry that I can’t go back home for Mother’s Day next week.  On that day, I’ll have to go to an important meeting for my boss, who helps me a lot with my work and life here.  But I...
【单选题】听读词语,选出读音正确的词语。 6.m4a
A.
鲜(音准)
B.
鲜(音低)
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