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【单选题】
快速以太网支持10 Base-TX物理层标准,其中数字100表示的含义是( )。A.
传输距离100 km
B.
传输速率10 Mb/ s
C.
传输速率100 kb/s
D.
传输速率100 MB/ s
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【简答题】弯曲液面内外附加压强△ P= 。肥皂泡内外的压强差△ P'= 。
【简答题】Look，read and choose. (看图选择相应的单词) ( )(1)I'm a ( )(2)I'm a ( )(3)I'm from ( )(4)Good
【单选题】. . — You look troubled. — The director asked me to finish this task by Sunday. How can I ________ to?
A.
attempt
B.
manage
C.
decide
D.
happen
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Ask three people to look out the same window at a busy street comer and tell yo...
A.
they will give three different answers
B.
they will see three different scenes
C.
they cannot see clearly
D.
they can only see the busy traffic
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