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【单选题】
除针入度能够表示沥青材料的条件粘度之外,同样属于条件粘度的指标是( )。A.
针入度指数
B.
粘附性
C.
D.
软化点
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举一反三
【判断题】"I'm sorry to have wasted your time" or "I'm sorry to have taken so much of your time" are usually appropriate for the business visit.
A.
正确
B.
错误
【单选题】听力原文： Ladies and gentlemen, may I have your attention, please. I'm sorry to have to tell you that the police have asked us to take everyone away from this building as quickly as possible. A carry bag ...
A.
Because a fire started in the building.
B.
Because a robbery would happen soon.
C.
Because electricity went out in the building.
【判断题】"I'm sorry to have wasted your time" or " I'm sorry to have taken up so much of your time " are usually appropriate for the business visit in America.
A.
正确
B.
错误
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