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【多选题】
外在环境因素在致癌中有不可忽视的作用,以下哪些提法是正确的A.
大量吸烟及饮酒者口腔癌的发生率比不吸烟者高
B.
大量吸烟及饮酒者口腔癌的病死率比不吸烟者高
C.
烟油中含苯芘、N一亚硝基胍啶等致癌物质
D.
酒与烟草致癌有协同作用
E.
颌骨损伤可能增加颌骨骨肉瘤的发生机会
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【简答题】Three English dictionaries published recently all lay claim to possessing a “new” feature. The BBC English Dictionary contains background information on 1,000 people and places prominent in the news s...
【简答题】Three English dictionaries published recently all lay claim to possessing a “new” feature. The BBC English Dictionary contains background information on 1,000 people and places prominent in the news s...
【简答题】Three English dictionaries published recently all lay claim to possessing a “new” feature. The BBC English Dictionary contains background information on 1,000 people and places prominent in the news s...
【单选题】The freezing point is the temperature __________ water changes into ice.
A.
at which
B.
on that
C.
in which
D.
of what
【单选题】以下哪项是转至文件顶部的键盘快捷键？
A.
coommand - 向上箭头
B.
coommand - 向左箭头
C.
coommand - B
D.
coommand - U
【简答题】PASSAGE 3 Three English dictionaries published recently all lay claim to possessing a “new” feature. The BBC English Dictionary contains background information on 1,000 people and places prominent in ...
【单选题】Three English dictionaries published recently all lay claim to possessing a “new” feature. The BBC English Dictionary contains background information on 1,000 people and places prominent in the news s...
A.
The combination of two dictionaries into one?
B.
The new approach to defining words?
C.
The inclusion of cultural content?
D.
The increase in the number of entries?
【简答题】A．freeze point B．frozen point C．freezing point D．ice point
【简答题】Three English dictionaries published recently all lay claim to possessing a “ new ” feature. The BBC English Dictionary contains background information on 1,000 people and places prominent in the news...
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