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【单选题】
水准测量中，A点为后视点，B点为前视点，A点高程为ha，后视读数为a，前视读数为b，则B点高程（ ）。A.
ha-a+b
B.
ha+a-b
C.
a+b-ha
D.
a-b-ha
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皮皮学刷刷变学霸
举一反三
【单选题】The point of the last short paragraph is that Richard was ______.
A.
cheated by his own successors
B.
determined m take revenge on his enemies
C.
more generous to his enemies than his successors
D.
unable to influence the behavior. of his successors
【简答题】检修一台水轮发电机组时,应放在安装间的四大件分别为: __________ , __________ , ___________ , ___________ 。
【简答题】在新的建筑物中,通常利用 敷设垂直干线。
【简答题】检修一台水轮发电机组时，应放在安装间的四大件按照拆吊顺序分别为： __________，__________，___________，___________。
【简答题】vt. 使失去信心;摧毁
【单选题】The point of the last short paragraph is that Richard was ______.
A.
cheated by his own successors
B.
determined to take revenge on his enemies
C.
more generous to his enemies than his successors
D.
unable to influence the behavior. of his successors