密闭空间动火作业，动火分析合格，不等于不会发生（）事故.A.着火 B.爆炸 C.渗漏

妊娠时尿糖阳性不一定是糖尿病。

根据短文，把下列句子补充完整。（5分）

One day , Mrs.Wilson took Tracy and Aben shopping . They went to the supermarket in the new shopping center .

“ Why do you buy things here ?” Tracy wanted to know .

“ Because it is cheaper here than the store on the corner ,” Mrs.Wilson said . “ Help me check the price .”

The Wilsons were not rich , so Mrs.Wilson was always careful with her money . She looked carefully at the prices of things .

She bought a lot of things in the supermarket . When they got home , the children said , “We don’t think you saved any money by going to the supermarket .”

“ Of course , I did ,” Mrs.Wilson said , “ Everything was cheaper there .”

“ We know ,”the children said , “But we came home by taxi because we had too much to carry .The taxi fare was more than the money that you saved !”

Mrs.Wilson added everything up . Her children were right .

“ Well done ,” she said . “ Next time we’ll do our shopping near our home .”

小题1:Mrs.Wilson went to the supermarket to _______ things because they are ________ there .

小题2: Mrs.Wilson was always _________ with her money because the Wilsons were ________ .

小题3: Mrs.Wilson’s ______ helped her check the ________ when they were in the supermarket .

小题4: After they did some shopping , Mrs.Wilson and her children went home ______ _______.

小题5: The Wilsons couldn’t walk home because it was too _______ away from the supermarket to their home , and they had too __________ things .

工程变更的要求可能来自( )。

A．建设单位

B．设计单位

C．施工单位

D．建设行政主管部门

E．监理单位

我们从食物中获得各种各样的营养物质．这些营养物质主要是______、无机盐、维生素、______、脂肪、糖类、膳食纤维等．人体消化和吸收这些营养物质的主要场所是______．

在等高线地形图上，由一对表示山谷与一对表示山脊的等高线组成的地形部位是下列的（）

A、盆地

B、鞍部

C、山顶

D、陡崖