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单项选择题

每个设备工程合同签订后，合同正本应由( )保管。

A.合同管理部门
B.财务管理部门
C.合同执行部门
D.技术管理部门
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单项选择题
根据下面资料，回答21-35题
Mrs．McTavish looked out．"It's a lovely day．Would you like to go for a walk in the park"Her children21with excitement．
"Before we go, you need to follow some rules．Everyone must22hands and stay close to me．You can' t23anywhere by yourself．Can you all do that"
All four24they would．As they walked down the street, Fiona said,"I want an ice lolly(冰棍), Mummy．Can we have some"
"You can if you follow the rules," answered Mrs．McTavish．
The park is just around the corner．The children ran off to25After a while, when Mrs．McTavish looked up she couldn' t see Jock．"Fiona, where' s Jock"
"I don' t know, Mummy．He' s not here26," said Fiona．
The others hadn' t27Jock either．Mrs．McTavish had to gather her children together and walk
around the park28for him．She found him sitting near the ice lolly man．"Jock ! What are you doing
here I couldn' t29you．"
"Mummy, I want an ice lolly, "Jock whispered．
"You can't have one now30you didn't follow the rules．"Mrs．McTavish31one for each of the other children and they licked (~,) them all the way home．Jock cried．When they32home she talked to Jock．"Mummy has four children．I must have rules so I can33an eye on you
and know you' re34．"Jock said he was35and he would follow the rules from then on．
第（28）题选
A.looking
B.sending
C.running
D.waiting
单项选择题
在一定条件下进行多次测量时，随机误差愈小，精密度愈（      ）。 A.
高     B.
低
单项选择题
下列( )不属于门窗工程安全和功能的检测项目。
A.平面变形性能
B.抗风压性能
C.空气渗透性能
D.雨水渗透性能
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