某高中历年的高考成绩服从正态分布N(80,4),那么该高中的某位学生参加考试的成绩落

题型:单项选择题

问题:

某高中历年的高考成绩服从正态分布N(80,4),那么该高中的某位学生参加考试的成绩落在区间[78,82]的概率为______。

A.Ф(1)-Ф(-1)

B.2Ф(1)

C.Ф(1)+Ф(-1)

D.1-Ф(-1)

考点:质量工程师中级质量专业理论与实务中级质量专业理论与实务
题型:单项选择题

阅读下面这两首诗,完成后面题目。(7分)

从军行   王昌龄

烽火城西百尺楼,黄昏独坐海风秋。更吹羌笛关山月,无那金闺万里愁。

从军行   杨炯

烽火照西京,心中自不平。牙璋辞凤阙,铁骑绕龙城。

雪暗雕旗画,风多杂鼓声。宁为百夫长,胜做一书生。

注:①羌笛:羌族竹制乐器。②无那:即无奈。

小题1:从体裁上看,王昌龄的诗属于   ① 杨炯的诗歌属于   ②  ,从意象的选取上,两首诗都选取了  ③ 意象。(3分)

小题2:请指出这两首诗共同运用的表现手法,并简析它们的情感。(4分)

题型:单项选择题

从理论上讲,下列保温材料的保温性能由优至劣的排序,哪一组是正确的()

A. 膨胀珍珠岩→一级石棉粉→水泥蛭石板→加气混凝土

B. 一级石棉粉→膨胀珍珠岩→加气混凝土→水泥蛭石板

C.加气混凝土→水泥蛭石板→膨胀珍珠岩→一级石棉粉

D. 水泥蛭石板→膨胀珍珠岩→一级石棉粉→加气混凝土

题型:单项选择题

满足地位需要的行为不包括( )。

A.居住在合适的社区,参加俱乐部

B.具有执行官的特权

C.影响他人并改变他们的态度和行为

D.拥有舒适的轿车,合体的穿着

题型:单项选择题

Have you ever heard your own voice "Of course," you say.
Has anyone else ever heard your voice Again you say, "Of course. "
But that’ s not quite true. Nobody else has ever heard your voice—the way you hear it. When you talk, you set up sound waves. The air outside your head carries the sound waves to your outer ears. But, of course, the sound of your voice begins inside your head. The bones of your head pick up the sound waves, too. They carry the sound waves straight to your inner ears. You get the sound from the outside and the inside too. Other people get just the sound waves from the outside. That’s why they don’t hear your voice the way you do.

The passage is mainly about ______.

A.waves in the air

B.the way you hear your own voice

C.voice gets around far and wide

D.the different ways you and others hear your voice

题型:单项选择题

根据营业税改征增值税的有关规定,下列业务中,属于交通运输业服务的有()。

A.远洋运输的程租业务

B.远洋运输的期租业务

C.航空运输的干租业务

D.装卸搬运服务

E.管道运输服务

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