下列哪项不是PDCA质量管理方法策划“P”阶段的工作步骤：（） A.分析现状，找出问

Read and judge the sentences. (读短文，判断下列每个句子是否正确)

     This is a beautiful forest (森林) and it is very big，too. There are many tall trees in the forest. Lucy

and Joyce are in the forest now. They can see two birds and two turtles(乌龟). The big bird is a

peacock. It is beautiful. The small bird is very lovely. The old turtle has a stick in his hand and the young

turtle has a short tail. Lucy and Joyce are very happy.

( ) 1. The forest is beautiful and big. 

( )2. There are two big birds in the forest.

(     )3. The old turtle has a stick in his hand.

(     )4. The big bird is a peacock.

(     )5. Lucy and Joyce are very happy in the forest.

20～21：

某屋盖工程的大跨度主桁架结构使用Q345B钢材，其所有杆件均采用热轧H型钢；H型钢的腹板与桁架平面垂直。桁架端节点斜杆轴心拉力设计值N=12 700kN。

现将桁架的端节点改为采用等强焊接对接节点板的连接形式，如题21图所示。在斜杆轴心拉力作用下，节点板将沿AB—BC—CD破坏线撕裂。已确定AB=CD=400mm，其拉剪折算系数均取η=0.7，BC=33mm。试问，在节点板破坏线上的拉应力设计值（N/mm²），应与下列（）项数值最为接近。

A．356.0

B．258.7

C．178.5

D．158.2

在标准状况下，22.4 L CH₄与氯气在光照下发生取代反应，待反应完全后，测得四种有机取代物的物质的量相等，则消耗的氯气为 [ ]

A.0.5 mol

B.2 mol

C.2.5 mol

D.4 mol

在劳动力市场的静态与动态均衡分析中，局部均衡分析方法的代表人物是( )。

A．R·韦恩·蒙迪

B．A·马歇尔

C．雷蒙德

D．希克斯

（）分布于呼吸道的腔面。

A.单层柱状上皮

B.单层立方上皮

C.内皮

D.间皮

E.假复层纤毛柱状上皮