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【单选题】
蜡型在包埋前用清水洗后，再用乙醇涂布表面，主要目的是A.
清洗表面
B.
防止蜡型破损
C.
硬化表面
D.
降低表面张力
E.
减小蜡型膨胀
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举一反三
【判断题】"The purpose of this paper is..." is a proper statement for a research paper.
A.
正确
B.
错误
【简答题】阅读理解。 pulp (纸浆) and paper is a traditional industry in Canada. According to the Canadian Pulp and Paper Association, Canada supplies 34% of the world's wood pulp and 49% of its newsprint paper....
【简答题】What is the main idea of this short talk?A.More and more paper is being consumed nowadaysB.Paper enables people to receive education more easilyC.The invention of paper is of great significance to man...
【单选题】With the word “achievements in...” in the title, we might conclude the paper is a:
A.
Review paper
B.
Research paper
C.
Book review
【单选题】5《文化和旅游部关于实施旅游服务质量提升计划的指导意见》提出:完善导游人员资格考试和等级考核制度,提升( )导游员在导游队伍中的比重。
A.
初级
B.
中级
C.
高级
D.
中高级
【单选题】A commercial paper is essentially a promissory note, secured and with a maturity date.
A.
正确
B.
错误
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