单项选择题
某企业5月份生产领用材料的计划成本为20000元,已知该材料的成本差异率为5%,则发出材料的实际成本为()元。
A.1000
B.19000
C.20000
D.21000
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听力原文:M: Are you going to school?W: Yes, I have classes every Wednesday.Q: What does the man want to know?(7)A.When the school begins.B.Whether it is Wednesday.C.Where the school is.D.Whether she's going to school.
A.Q:
B.When
C.
B.Whether
D.
C.Where
E.
D.Whether
F.
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听力原文:M: I'm really worried the math test tomorrow.W: It's too late to worry about it now, Johnson.Q: What does Johnson think about the test?(8)A.He's prepared for it.B.He missed it.C.It will be difficult.D.He doesn't worry about it.
A.W:
B.
Q:
C.He's
D.
B.He
E.
C.It
F.
D.He
G.
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