皮皮学，免费搜题
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【单选题】
令牌环技术中,节点发送信号需要( )。A.
先听后发
B.
监听线路是否空闲
C.
想发就发
D.
截获令牌
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】用括号里单词的正确形式填空。 I am ______(act) in the school musical next month. My parents ______ (think) i'm not studying hard enough. The new computer lab _____ (look) great! It's very noisy because the neighbour...
【单选题】State schools in New Zealand are _____
A.
private-funded.
B.
funded by charging parents school fees.
C.
free from tuition fees.
D.
more expensive than private schools.
【简答题】Now, there is a growing movement to pay the students in American schools---in some cases, even just for coming to class. Students at one school in New Mexico can earn up to three hundred dollars a yea...
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