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【单选题】
OSI 模型中, ________ 的主要功能是从会话层接收数据,并且在必要时把它分解为较小的单元,传递给网络层,确保到达对段信息正确无误。 ( ) A. 物理层 B. 数据链路层 C. 会话层 D. 传输层A.
B.
C.
D.
D
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皮皮学刷刷变学霸
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【多选题】从汉字形、音、义的关系看,属于“一形多音一义”的字是
A.
乐：yuè（音乐）/lè（快乐）
B.
行：háng（行业）/xíng（行走）
C.
削：xuē（削弱）/xiāo（削铅笔）
D.
露：lù（暴露）/lòu（露马脚）
E.
曲：qū（曲折）/qǔ（歌曲）
【单选题】Little Franz wasted a lot of time playing when he _____.
A.
should study
B.
must study
C.
should have studied
D.
must have studied
【单选题】The output of our company this month is__________ that of last month.
A.
twice as much as
B.
twice as much
C.
twice many as
D.
twice as many as
【单选题】How little Franz regretted the days ______ playing in the woods and fields.
A.
which wasted
B.
wasted
C.
having wasted
D.
which is wasted
【简答题】A．At the end of this month. B．Yes, quite often. C．Some time last month. D．Once a month.
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