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【判断题】
用无水Na2CO3作基准物质标定HCl溶液浓度时,在滴定接近终点时,要将溶液加热煮沸2min,再滴定至终点,是为了赶除CO2,防止终点早到使得标定结果偏高。 ( ) A. 对 B. 错A.
正确
B.
错误
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举一反三
【简答题】任选辽东学院校园建筑,画出效果图(也可自己选择实拍图片绘制)。
【单选题】听力原文：W: This ballroom is so packed that we can't try our steps. M: I think they should control the number of people, don't yon? Q: Why is the woman complaining? (19)
A.
The room is too crowded.
B.
The room is too small.
C.
The room is dirty with step stairs.
D.
They .couldn't play ball games.
【单选题】如图所示,刚梁AB由杆1和杆2支承。已知两杆的材料相同,长度不等,横截面面积分别为A1和A2,若荷载P使得钢梁平行下移,则其截面面积为( )。
A.
A1
B.
A1=A2
C.
A1>A2
D.
A1、A2大小为任意
【单选题】听力原文：W: The restaurant doesn't seem to get enough customers. I think they should be doing better, since there's no competition along this street. M: I heard they're breaking even. So, for now it's pro...
A.
The restaurant is losing money.
B.
The restaurant should close down.
C.
The restaurant is neither losing money nor gaining.
D.
The restaurant is making money despite the fact that it has not many customers.
【单选题】（）通常由10～15人组成，队员之间或者是工作业绩息息相关，或者是从事相互依赖性的工作。他们承担了很多以前由主管承担的责任。
A.
问题解决型团队
B.
自我管理型团队
C.
交叉功能团队
D.
虚拟团队
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