将8.1g氧化锌固体放入100g稀硫酸中，恰好完全反应．试计算： ①可生成硫酸锌

So it is today．Schedule disaster functional misfits,and system bugs all arise because the left hand doesn’t know what the right hand is doing．As work （31）, the several teams slowly change the functions,size, and speeds of their own programs, and they explicitly or implicitly （32） their assumptions aboutme inputs available and the uses to be made of the outputs.

For example, the implementer of a program-overlaying function may run into problems and reduce speed relying on statistics that show how （33） this function will arise in application programs．Mean-while back at the ranch, his neighbor may be designing a major part of the supervisor so that it criticallydepends upon the speed of this function．This change in speed itself becomes a major specificationchange, and it needs to be proclaimed abroad and weighed from a system point of view.

How, then, shall teams （34） with one another In as many ways as possible.

·Informally．Good telephone service and clear definition of intergroup dependencies will encourage the hundreds of calls upon which common interpretation of written documents depends.

·Meetings．Regular project meetings, with one team after another giving technical briefings, are （35）.Hundreds of minor misunderstandings get smoked out this way.

·Workbook．A formal project workbook must be started at the beginning.

（31）处填（）。

A．starts

B．proceeds

C．stops

D．speeds

请以My best friend 为题写一篇不少于80词的作文。

阎立本的绘画代表着初唐美术的新水平，今存传为阎立本的作品有（）.

A.《钟馗捉鬼》

B.《步辇图》

C.《职贡图》

D.《历代帝王图》

在同一容器中，反应2SO₂（g）+O₂（g）=2SO₃（g）达到平衡后，减少体系总压力，其他条件不变，则（）

A.平衡向正方向移动

B.平衡向反方向移动

C.平衡状态没有变化

D.无法确定