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【判断题】
商流是产生物流的物质基础。()A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列句子中标点符号运用错误的一项是( )
A.
我这题目，是把“礼记”里头“敬业乐群”和“老子”里头“安其居，乐其业。”
B.
倘若有人问我：“百行什么为先？万恶什么为首？”
C.
我生平最爱用的有两句话：一是“责任心”，二是“趣味”。
D.
唐朝有一位名僧百丈禅师，他常常用两句格言教训弟子，说道：“一日不做事，一日不吃饭。”
【单选题】They had talked only for a few minutes they found they were of different opinions.
A.
unless
B.
while
C.
before
D.
once
【简答题】They had talked only for a few minutes ________ they found they were of different opinions. A) unless B) while C) before D) once
【单选题】They had talked only for a few minutes __ they found they were of different opinions.
A.
unless
B.
while
C.
before
【单选题】They had talked only for a few minute ______ they found they were of different opinions.
A.
unless
B.
while
C.
before
D.
once
【单选题】How did the Mexican-American War affect the Civil War?
A.
It gave US troops experience which they used in the Civil War
B.
Many new weapons were manufactured as a result
C.
It worsened racial issues
D.
It didn't affect the civil war
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