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【判断题】
pandas中head(n)的意思是获取最后的n行数据A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
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【单选题】企业本期发生的、与本期营业收入没有对应关系、应直接计入当期损益的管理费用、销售费用和财务费用,称之为( )。
A.
制造费用
B.
间接费用
C.
期间费用
D.
生产费用
【单选题】杜牧的《泊秦淮》最能写出晚唐时代风气,尤其“商女不知亡国恨,隔江犹唱后庭花”,借古喻今,使人能回味无穷。这里的“后庭花”是指_____________作的歌曲。
A.
陈后主
B.
杜牧
C.
唐明皇
D.
商女
【单选题】Lisa _________ at six o’clock every day. And she never _______ the school bus at 7. So she is always on time.
A.
get up; catches
B.
gets up; catches
C.
got up; misses
D.
gets up; misses
【简答题】阅读短文，选择正确的答案。 Sam and Lisa are from Australia. Sam is twelve and Lisa is six. They came to Canada this summer because their father found a job (工作) here. They live in a big apartment. There are three ...
【单选题】Lisa is always ___________, she’s never in on Monday mornings.
A.
diving
B.
running
C.
skiving
D.
working
【简答题】A group of fif- year -old at Sunshine School are holding a charity sale to raise money to help their classmate Lisa. Lisa had cerebral palsy( 大脑性瘫痪 ) when she was a baby. People who have cereb...
【简答题】“三分损益法”最早记载于(《 》)中,它是以( )的方法求得五声、七声音阶和十二律的理论。
【简答题】Lisa is very ________. She is never late, and she always arrives on time.
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