Just because I’m（ ）to him,my boss thinks he can order me around without showing me any respect.

单选题

Just because I’m（ ）to him,my boss thinks he can order me around without showing me any respect.

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单选题

Many people fear bats because ( )

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单选题

He has just taken an examination__chemistry.

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单选题

tended to be distributed to multiple recipients at the （） of origin of a message, multicasting initially sends just one （） and does not copy it to the individual recipients until it reaches the closest common point on the network, thereby （） the bandwidth consumed. Network performance is significantly （） because it isn’t bogged down with the processing and transmission of several large data files; each receiving computer doesn’t have to （） the transmitting server for the file.A.droppedB.proveD.

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单选题

The banker was extremely excited because ___.

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