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【单选题】
在项目的策划以及实施过程中，成本计划经历若干阶段，每个阶段产生成本计划，在项目可行性研究阶段对应的成本计划是（）A.
投资估算
B.
设计概算
C.
施工图预算
D.
承包合同价
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】NCE课文背诵 （1分*10，满分10分） (L35)… As the thieves were trying to get away in their car, Roy drove his bus into the back of it. While 小题1:__________________________, Roy stopped his bus and telephoned the po...
【多选题】新古典综合派主要由( )综合而成。
A.
1890年马歇尔的《经济学原理》
B.
1933年张伯伦和罗宾逊的不完全竞争理论
C.
1939年希克斯的价值论和一般均衡论
D.
1936年凯恩斯的《就业、利息和货币通论》
【简答题】已知a为实数，化简： -a ，阅读下面李华的解答过程，请判断是否正确？若不正确，请写出正确的解答过程： 李华的解答过程： -a =a -a · =（a-1） 。
【单选题】To their surprise, the thieves were ( ) by the police while they were entering the bank.
A.
spotted
B.
beat
C.
detailed
D.
released
【简答题】To their disappointment, the thieves were ____ by the police at the moment they were entering the bank.
【单选题】To their disappointment, the thieves were ________ by the police at the moment they were entering the bank.
A.
clicked
B.
spotted
C.
intrigued
D.
maintained
【简答题】阅读下面一题及解答过程，请判断是否正确？若不正确，请指出错在哪一步？并写出正确的解答过程． 化简： a+ ab ab +b + ab -b a- ab a+ ab ab +b + ab -b a- ab = ( a ) 2 + ab ab + ( b ) 2 + ab - ( b ) 2 ( a ) 2 - ab a ( a - b ) b ( a - b ) + b ( a - b ) a ( ...
【单选题】To their disappointment, the thieves were __________ by the police at the moment they were entering the bank.
A.
discovered
B.
distinguished
C.
told
D.
spotted
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