正立方体,下底面对上顶面的角系数接近( )。A.0.2 B.0.4 C.0.5 D

题型:单项选择题

问题:

正立方体,下底面对上顶面的角系数接近( )。

A.0.2

B.0.4

C.0.5

D.0.6

考点:注册公用设备工程师暖通空调与动力专业基础勘察设计注册公用设备工程师暖通空调与动力专业基础
题型:单项选择题

关于膝关节半月板损伤,下列哪项不正确()。

A.MRI检查阳性

B.应尽量将半月板完全切除

C.关节绞锁史

D.关节镜手术治疗

E.关节间隙压痛

题型:单项选择题

As you research music, you will find music that is familiar to you. You will find music which tells of interesting places and exciting things to do. You will find music which expresses feelings that are often your own.

Music is an expression of the people. As you research, you will find music of people at work and play. You will find music expressing love of the country, love of nature, and love of home.

Music is also an expression of the composer(作曲家). The composer expresses his own musical ideas. He studies the materials of music and discovers ways of using them. He looks for new kinds of musical expression.

Music can suggest actions and feelings which we all share. We can enjoy playing and singing music, dancing and listening to the music of the people and the composers of different times and places.

小题1:In the first paragraph, the author tells us to_______.

A.find entertainment(娱乐) in music

B.be friendly to music

C.express your feelings in music

D.discover the things and places in music小题2:From the second paragraph, we know that ________.

A.if we love music, we will love the country, nature and home

B.music sings of the country, nature and home

C.you may listen to music at work or at play

D.music can express how people live, work and think小题3:By means of music, the composer wishes that ________.

A.you would study with them

B.you would share his feelings and ideas

C.you would express your own feelings

D.you help discover ways of using music and new kinds of musical expression小题4:The last paragraph shows that music makes it possible ________.

A.the music can express actions and feelings at the same time

B.bring understanding between people of different times and places

C.that people can enjoy playing and singing music, dancing and listening to the music at the same time

D.that people of different time and places can get together小题5:Which of the following statements is NOT true. Music expresses ________.

A.the feelings of our own

B.people’s love of the country

C.the composer’s feelings

D.people’s musical ideas

题型:单项选择题

CYCLEMAX的L阀组件为什么一定要严格控制住入口差压?

题型:单项选择题

在计算机中,算法是指( )。

A) 查询方法
B) 加工方法
C) 解题方案的准确而完整的描述
D) 排序方法

题型:单项选择题

泻下剂具有除下列项以外的作用()

A.通导大便

B.排除肠胃积滞

C.荡涤实热

D.攻逐寒积水饮

E.清热解毒

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