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【判断题】
生物圈是地球表面进行生命活动的有机圈层。A.
正确
B.
错误
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【单选题】What has happened to Sam?
A.
He has been run over by a train.
B.
He is trying to run over to a train.
C.
He has been running along by a train.
D.
He feels like being run over by a train.
【简答题】对于给定的一组键值：83，40，63，13，84，35，96，57，39，79，61，15，分别画出应用直接插入排序、希尔排序、冒泡排序、快速排序、直接选择排序、二路归并排序对上述序列进行排序中各趟的结果。
【单选题】- Room service, may I help you? - Yes, this is Sam Mathew in Room 1221. May I have a tuna sandwich ______ up to my room?
A.
sent
B.
send
C.
sending
D.
being sent
【简答题】Complete the following sentences with proper prepositions or adverbs.(介词、副词填空) 1 She cared ___________ her father all through his long illness. 2 Compared ___________ his early works, this is a rather...
【简答题】对于给定的一组键值:83,40,63,13,84,35,96,57,39,79,61,15,分别画出应用直接插入排序、直接选择排序、快速排序、堆排序、归并排序对上述序列进行排序中各趟的结果。
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