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【单选题】
酒精会加重吸烟对人体的危害，其作用机理，下列不正确的是( )。A.
酒精损害了肝脏的解毒能力
B.
酒精导致血管扩张，促使毒素扩散
C.
酒精本身有致癌作用
D.
酒精能溶解烟雾中的有害物质
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【单选题】But in this letter of reply he demanded that the creditor ______ him a formal letter of apology.
A.
could write
B.
write
C.
would be writing to
D.
was going to write
【简答题】5S现场管理,现代企业管理模式,5S即 、 、 、 、 ,又被称为“ ”。
【单选题】In the last few minutes the conversation has become seemingly ______ as if the discussion were of some minor domestic matte r and not survival itself.
A.
crucial
B.
central
C.
casual
D.
causal
【多选题】对连接体认识准确的是（ ）
A.
有良好的抗弯曲强度
B.
不妨碍舌体的运动
C.
其表面必须光洁
D.
连接体的位置应该根据口腔实际情况进行调整
E.
连接体的首要要求是体积要小
【单选题】While seemingly innocent, this loss of mental focus can potentially have a damaging impact on our professional, social and personal _____.
A.
wellbeing
B.
outlook
C.
relationship
D.
environment
【简答题】__________________ (Once in a while / For a moment or two) he hesitated, embarrassed and seemingly at a loss for words. Then he answered the question in a low voice.
【简答题】A．consequently B．actually C．accordingly D．seemingly
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