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【单选题】
光纤线路损耗,一般不采用测量()。
A.
剪断法
B.
插入法
C.
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【简答题】一般上班时男士都会佩戴领带,领结则是比较少,而传统上,( )仍被用作配衬燕尾礼服,它被认为是唯一正统的领口衣饰。
【单选题】当正在执行1级事件时,若出现了2级事件,系统将如何处理?
A.
执行完这个1级事件,再执行这个2级事件
B.
执行完所有1级事件后,再执行这个2级事件
C.
立即停止执行所有1级事件,立即执行这个2级事件
D.
同时执行这两个事件。
【简答题】阅读短文,回答问题。 Lucy: Excuse me, Li Fen. Where's our school shop? Do you know? Li Fen: Yes. It's over there, behind the teachers' room. Lucy: I'd like something to drink. Please go with me. OK? Li Fen: OK....
【单选题】凸透镜的成像公式为 ,则说法错误的是
A.
如p
B.
若p=2f,物像为一等大正立的实像
C.
若p>2f,物像为一放大正立的实像
D.
若f
【判断题】领结是一种衣着服饰,通常与较隆重的衣着如西装或礼服一起穿著,一般上班时男士都会佩戴领带。领结则是比较少,而传统上,领结仍被用作配衬燕尾礼服,它被认为是唯一正统的领口衣饰。
A.
正确
B.
错误
【单选题】Hedges are used in scientific writing due to the following reasons except ______________.
A.
authors tone down their statements in order to reduce the risk of opposition
B.
authors try to appear humble rather than arrogant or all-knowing
C.
hedges are considered as a strategy of being more precise in reporting results
D.
hedges are used as a strategy to present unproven claims with certainty
【判断题】辙叉心轮缘槽标准宽度为 42mm ,容许误差为 - 2 ~ +3mm 。( )
A.
正确
B.
错误
【单选题】辙叉心轮缘槽标准宽度为(),容许误差为:-1mm~+3mm。
A.
42mm
B.
46mm
C.
48mm
D.
50mm
【单选题】When you post a letter, you must buy ______ .
A.
a ten-fen stamp
B.
a new stamp
C.
a twenty-fen stamp
D.
a stamp worth 10 fen or more
【简答题】Doo rs , hedges, fences: these physical features of a German home reflect an emphasis on __________, which is pervasive throughout German life.
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