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【单选题】
The contribution approach to the Income statementA.
organizes costs on a functional basis
B.
is useful to managers in planning and decision making
C.
shows a contribution margin rather than a net operating income figure at the bottom of the statement
D.
can be used only by manufacturing companies
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【多选题】下面关于异常的说法正确的是( )。
A.
编译不能通过引发异常。
B.
运行结果不正确引发异常。
C.
编译已经通过，运行时出现错误引发异常。
D.
编译不能通过或运行结果不正确引发异常。
E.
编译已经通过，运行也能完成，结果不能达到期望值引发异常。
F.
编译不能通过，仍要继续运行程序时引发异常。
【单选题】Which of the following statements is TRUE?
A.
Scientists at the Princeton University want to find that distant planets are like our Earth.
B.
Among all the terrestrial planets Earth's light curve is the most complicated.
C.
Spectral study of the light will see no development of itself because it is static.
D.
Spectral reading is used as a supplementary method to the study of the change in light over time.
【单选题】Since the young man learned that he had a lung cancer, he has been in deep .
A.
illusion
B.
impression
C.
depression
D.
repetition
【单选题】关于如何有效解释两次世界大战的起源和暴行产生的机制，战争史家一直感到__________，他们发现，当落实到细节研究上时，常常__________迭出，譬如马克思主义史家认为经济压力是大战的诱因，但历史事实却是二战爆发在欧洲的经济上杨期，因此许多战争史家不得不有此共识:战争问题并非历史学专业所能解释
A.
尴尬 谬论
B.
困惑 悖论
C.
犹豫 矛盾
D.
沮丧 误解
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