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【判断题】
国家规定的安全色，其中黑色用于安全标志的文字、图形符号和警告标志的几何图形。第六章P92A.
正确
B.
错误
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举一反三
【单选题】Watch the video and choose the best summary for Tim
A.
Tim wants to invent something and become rich.
B.
Tim has a good idea which he can develop and get rich
C.
无
D.
\
【简答题】Watch the video and match the names with the corresponding responsibilites:
【简答题】Watch the video and match the answers with the questions.
【简答题】Watch the video and match the sentences.
【简答题】Watch the video and match the names with the corresponding responsibilities.
【简答题】咖啡因、去氧麻黄碱、复方甘草片属于_____________药品。
【单选题】Watch the video and choose the best summary for Tim
A.
Tim wants to invent something and become rich
B.
Tim has a good idea which he can develop and get rich
【简答题】Watch the video and do the match.
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