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【简答题】
在极坐标系中, O为极点, 半径为2的圆C的圆心的极坐标为 ． （1）C的极坐标方程； （2）在以极点O为原点，以极轴为x轴正半轴建立的直角坐标系中，直线 的参数方程为 （t为参数），直线 与圆C相交于A，B两点，已知定点 ,求|MA|·|MB|．
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【单选题】如果在应收款管理系统中生成的凭证已经在总账中记账,又需要对形成凭证的原始单据进行修改,则可以通过( )操作,然后对原始单据进行相应的修改。
A.
冲销凭证
B.
取消操作
C.
取消记账
D.
删除凭证
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【单选题】如果在应收款系统中生成的凭证已经在总账中记账，又需要对形成凭证的原始单据进行修改，则可以通过（）操作，然后对原始单据进行相应的修改。
A.
冲销凭证
B.
取消操作
C.
取消记账
D.
删除凭证
查看完整题目与答案
【单选题】With more traffic problems arising, more strict rules have been set, which makes it difficult for people to succeed __________the driving test
A.
to pass
B.
passing
C.
to have passed
D.
to be passed
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【简答题】The farmers were more anxious for rain than the peoplein the city because they had more _____. A. at length    B. at last    C. atstake    D. at ease
查看完整题目与答案
【单选题】如果在应收款系统中生成的凭证已经在总账中记账,又需要对形成凭证的原始单据进行修改,则可以通过__ __操作,然后对原始单据进行相应的修改。
A.
凭证
B.
操作
C.
记账
D.
凭证
查看完整题目与答案
【单选题】以下原因中, 内部、可控性低、稳定性高的原因是
A.
努力
B.
能力
C.
任务难度
D.
他人帮助
查看完整题目与答案
【判断题】民俗宗教应用论是以民俗宗教为对象，加以保护、改造和利用的一些规律探讨。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：W: With the convenience of bankcards, more and more people prefer bankcards to personal checks. M: I agree. People like bankcards because they offer greater safety and convenience than personal c...
A.
A merchant doesn't know the balance before completing a sale.
B.
No security system has yet been devised for personal checks.
C.
A personal check is secure at the check stand.
D.
The clerk can examine all the bankcards.
查看完整题目与答案
【单选题】如果在应收款系统中生成的凭证已经在总账中记账,又需要对形成凭证的原始单据进行修改,则可以通过( ),然后对原始单据进行相应的修改。
A.
冲销凭证
B.
取消操作
C.
取消记账
D.
删除凭证
查看完整题目与答案
【单选题】According to paragraph 2, why do group decisions tend to be more successful?
A.
When more people are involved, there are more ideas from which to choose.
B.
People are more accepting of decisions when they have been involved in them.
C.
Implementing ideas is easier with a large number of people to help.
D.
People like to be participants in decisions that are successful.
查看完整题目与答案
相关题目：
【单选题】如果在应收款管理系统中生成的凭证已经在总账中记账,又需要对形成凭证的原始单据进行修改,则可以通过( )操作,然后对原始单据进行相应的修改。
A.
冲销凭证
B.
取消操作
C.
取消记账
D.
删除凭证
查看完整题目与答案
【单选题】如果在应收款系统中生成的凭证已经在总账中记账，又需要对形成凭证的原始单据进行修改，则可以通过（）操作，然后对原始单据进行相应的修改。
A.
冲销凭证
B.
取消操作
C.
取消记账
D.
删除凭证
查看完整题目与答案
【单选题】With more traffic problems arising, more strict rules have been set, which makes it difficult for people to succeed __________the driving test
A.
to pass
B.
passing
C.
to have passed
D.
to be passed
查看完整题目与答案
【简答题】The farmers were more anxious for rain than the peoplein the city because they had more _____. A. at length    B. at last    C. atstake    D. at ease
查看完整题目与答案
【单选题】如果在应收款系统中生成的凭证已经在总账中记账,又需要对形成凭证的原始单据进行修改,则可以通过__ __操作,然后对原始单据进行相应的修改。
A.
凭证
B.
操作
C.
记账
D.
凭证
查看完整题目与答案
【单选题】以下原因中, 内部、可控性低、稳定性高的原因是
A.
努力
B.
能力
C.
任务难度
D.
他人帮助
查看完整题目与答案
【判断题】民俗宗教应用论是以民俗宗教为对象，加以保护、改造和利用的一些规律探讨。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：W: With the convenience of bankcards, more and more people prefer bankcards to personal checks. M: I agree. People like bankcards because they offer greater safety and convenience than personal c...
A.
A merchant doesn't know the balance before completing a sale.
B.
No security system has yet been devised for personal checks.
C.
A personal check is secure at the check stand.
D.
The clerk can examine all the bankcards.
查看完整题目与答案
【单选题】如果在应收款系统中生成的凭证已经在总账中记账,又需要对形成凭证的原始单据进行修改,则可以通过( ),然后对原始单据进行相应的修改。
A.
冲销凭证
B.
取消操作
C.
取消记账
D.
删除凭证
查看完整题目与答案
【单选题】According to paragraph 2, why do group decisions tend to be more successful?
A.
When more people are involved, there are more ideas from which to choose.
B.
People are more accepting of decisions when they have been involved in them.
C.
Implementing ideas is easier with a large number of people to help.
D.
People like to be participants in decisions that are successful.
查看完整题目与答案
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