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【判断题】
如果无每个顶点的度都大于等于2，则该图中必有回路。( )A.
正确
B.
错误
手机使用
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反馈参考答案：
举一反三
【简答题】请按照新闻评论的根本特征，针对当前的社会热点问题，为校报撰写一篇新闻评论。
【单选题】Not only ___ late, he also forgot his book. [ ]
A.
had he turned up
B.
did he turn up
C.
he turned up
D.
he had turned up
【单选题】He was disappointed to find his suggestions ____.
A.
been turned down
B.
turned down
C.
to be turned down
D.
to turn down
【简答题】案例二 1、订单中要求最迟什么时候把确认样寄给国外客户? 2、LAB DIPS是什么样品?有何技术要求?如何检验?何时寄送给客户。 3、Pro-Production sample 是什么样品?有何作用?最迟什么时候把确认样寄给国外客户?
【简答题】根据16页的案例二,回答一下问题: 1、订单中要求最迟什么时候把确认样交给国外客户确认? 2、订单中的Lab Dips是什么样品?有何技术要求?如何检验?何时寄送给客户确认? 3、Pre-production samples是什么样品?有何作用?最迟什么时候寄交给国外客户?
【简答题】After he finished (do) ______ his homework, he turned on the TV.
【单选题】______ late, he also forgot his books.
A.
Not only he turned up
B.
Not only he turned out
C.
Not only did he turn out
D.
Not only did he turn up
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