5：1.4化成最简整数比是______，比值是______．

What do Napoleon, Clinton and Wang Nan have in common? They are all left-handed. Today about 15% of the people are left-handed. But why are people left-handed? The answer is the way the brain (大脑) works. The brain has two halves---the right half and the left half. The right half controls (控制) the left side of the body, and the left half controls the right side of the body. So right-handed people have a strong left brain, and the left –handed people have a strong right brain.

The two halves of the brain are about the same size. But each side controls different things. The left side controls language, Maths and logic (逻辑). When you remember new words, or when you put things in order, you use your left side.

The right side of the brain controls colour and music. It is also good at recognizing (认出) faces. This does not mean that all artists are left-handed and all accountants (会计师) are right-handed. Some right-handers have a strong right brain, and some left-handers have a strong left brain.

小题1:From the passage we know _____________.

A．all artists are left-handed

B．all accountants are right-handed

C．the left side of the brain controls your love of art, colour and music

D．some right-handers have a strong left brain小题2:Whether是否 people are right-handed or left-handed is mostly decided by ________________.

A．their parents

B．their minds

C．the way the brain works

D．the way the head works小题3:Each side of the brain _____________.

A．likes music and Maths

B．controls different things

C．controls the same thing

D．has two halves小题4:When you are singing, you are using your ___________.

A．logic thinking

B．heart

C．right brain

D．left halves小题5:Which part of the body does the right half of the brain control?

A．The right side of the body.

B．The left side of the body.

C．The heart.

D．The language.

多数寒凉药的现代药理作用是（）

A.增强交感神经-肾上腺系统功能

B.兴奋中枢神经系统

C.提高红细胞膜钠泵活性

D.促进内分泌系统功能

E.抗感染

下列对工程款竣工结算监理基本程序描述不正确是( )。

A．工程承包单位按施工合同规定填报竣工结算报表

B．监理工程师审核

C．总监理工程师审定竣工结算报表，与建设项目业主、工程承包单位协商一致后，签发竣工决算文件和最终的工程款支付证书，报建设项目业主

D．总监理工程师审核后向承包单位付款

有关围护结构在室外气温周期性变化热作用下的传热特征，下面哪一项叙述不正确？

A．围护结构内、外表面温度波动的周期相同，但与室外气温波动的周期不同

B．围护结构外表面温度波动的波幅比室外气温波动的波幅小

C．围护结构内部温度波动的波幅从外至内逐渐减小

D．外表面温度最高值出现时间比内表面早

中国古人说：“钉子缺，蹄铁卸；蹄铁卸，战马蹶；战马蹶，骑士绝；骑士绝，战事折；战事折，国家灭。”这说明( )。

A．事物是由量变引起质变
B．事物是普遍联系的
C．事物是发展变化的
D．事物的本质是由现象展示的