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【简答题】
已知点 , .求: (1) 线段 的中点坐标; (2)以线段 为直径 的圆的方程 .
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举一反三
【单选题】The phase of the cell cycle that is resistant to most chemotherapeutic agents and requires increased dosage to obtain a response is the
A.
M phase
B.
G2 phase
C.
S phase
D.
G0 phase
E.
G1 phase
【单选题】Which of the following is true regarding the relationship between tests of controls and procedures to obtain an understanding?
A.
In obtaining an understanding of internal control, the procedures to obtain an understanding are applied to all controls identified during that phase.
B.
Tests of controls are applied only when the assessed control risk has not been satisfied by the procedures to obtain an understanding.
C.
Procedures to obtain an understanding are performed only on one or a few transactions.
D.
All of the above are correct.
【单选题】各种账务处理程序的主要区别是( )
A.
填制会计凭证的依据和方法不同
B.
登记总分类账的依据和方法不同
C.
登记明细分类账的依据和方法不同
D.
设置日记账的格式不同
【单选题】患者毕女士，34岁，在注射青霉素过程中，发生了过敏性休克，表现为胸闷、气急、伴濒危感，此症状是
A.
皮肤过敏症状
B.
呼吸道阻塞症状
C.
循环衰竭症状
D.
中枢神经系统症状
E.
各器官组织的过敏症状
【单选题】The goal of design phase during software development is to ( ).
A.
Evaluate solutions and select the best
B.
Select hardware and software
C.
Develop application specifications
D.
Obtain approval to implement the new system
【单选题】患者毕女士，34岁，在注射青霉素过程中，发生了过敏性休克，表现为胸闷、气急、伴濒危感，此症状是
A.
皮肤过敏症状
B.
呼吸道阻塞症状
C.
循环衰竭症状
D.
中枢神经系统症状
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