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【单选题】
在信息系统分析阶段，对数据流图的改进，包括检查数据流图的正确性和提高数据流图的易理解性，下面说法不正确的是（）。A.
数据流图中，输入数据与输出数据必须匹配
B.
数据流图的父图和子图必须平衡
C.
任何一个数据流至少有一端是处理框
D.
数据流图中适当的命名，可以提高易理解性
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】As arranged, we have effected insurance on the goods___110% of the invoice value against all risks.
【单选题】男，60岁，因咳嗽、活动后气短，发现胸腔积液，化验为渗出液，经抗结核治疗2 个月，胸液仍增多，为明确诊断，进一步应采取的措施是
A.
加强抗结核治疗
B.
胸腔积液的酶学检查
C.
胸腔积液的结核杆菌培养
D.
胸部超声波检查
E.
胸腔积液的病理细胞检查和胸膜活检
【单选题】As arranged, we have effected insurance ___ the goods ___ 110% of the invoice value ___ all risks.
A.
of; at; with
B.
for; in ; against
C.
on; for; against
D.
to; at; over
【单选题】As arranged, we have effected insurance_____ the goods ___ 110% of the invoice value___ all risks.
A.
of at with
B.
for in against
C.
to at over
D.
on for against
【单选题】As arranged, we have effected insurance ______the goods ______ 110% of the invoice value______ All Risks.
A.
of; at; with
B.
for; in; against
C.
on; for; against
D.
to; at; over
【单选题】As arranged, we have effected insurance( ) the goods( ) 110% of the invoice value( )all risks.
A.
of, at, which
B.
on, for, against
C.
for, in, against
D.
to, at, over
【单选题】As arranged, we have effected insurance _______ the goods ________ 110% of the invoice value _______ all risks.
A.
of, at, with
B.
for, in, against
C.
on, for, against
D.
to, at, cover
【简答题】As arranged, we have effected insurance___on the goods___110% of the invoice value____against all risks.
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