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【单选题】
利用高程为9.531m的水准点A测设设计高程为9.80m的室内±0.000标高时，仪器视线水平后，A点上标尺读数为a=1.478m，若要求水准尺零点处即为±0.000标高位置，此时在水准尺上读数b应为A.
2.209 m
B.
1.200m
C.
1.209m
D.
0.209m
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举一反三
【单选题】Q: What do we know about the man ?
A.
He wants to get a new position.
B.
He is asking the woman for help.
C.
He has left the woman a good impression.
D.
He enjoys letter writing.
【单选题】Q: What do we know about Carnegie Mellon University?
A.
It has established a new e-commerce model.
B.
It has carried out a new study on all e-retailers.
C.
Buy.com is one of its new online shopping sites.
D.
E-retailers are all concerned about its new study.
【判断题】混凝土 拌合物 用水量增大，其流动性随之增大。但用水量过大，会使 拌合物的粘聚性和保水性变差，产生严重泌水、分层或流浆，并有可能使 混凝土强度和耐久性严重降低。
A.
正确
B.
错误
【单选题】Q3 : What do we know from this conversation about the man?
A.
He has a good personal relationship with the woman.
B.
He scolds the woman for challenging his authority.
C.
He thinks the woman has a gift for Spanish.
D.
He dislikes giving advice to his students.
【简答题】电路如下图所示。试写出u o 和u i 之间的关系。
【简答题】请简单给出车头时距和车头间距的定义和计算式，并进一步说明它们与交通三参数之间的关系，写出相应的关系表达式。
【单选题】Q: What do we know about the woman's project?
A.
She is doing quite well with it.
B.
She cannot carry on any more.
C.
She is having money problem.
D.
She needs qualified saff
【单选题】[音频] Q: What do we know from what the woman said?
A.
She prefers outdoor parking.
B.
She often has nightmares at night.
C.
She is a very experienced driver.
D.
She has scratches on her back.
【单选题】Q2. What do we know about the company?
A.
It’s a small enterprise.
B.
It’s a world-famous company.
C.
It encourages technical innovation.
D.
It specializes in staff training.
【单选题】Q: What do we know about the man?
A.
He is single.
B.
He is married.
C.
He doesn't want to get married.
D.
His first marriage was not a failure.
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