皮皮学，免费搜题
登录
搜题
【多选题】
下列关于重复值处理的说法中，正确的是（ ）。A.
duplicated()方法可以标记重复数据
B.
drop_duplicates()方法用于删除重复数据
C.
重复数据的判断标准是两个数据中所有条目的值都相等
D.
duplicated()方法支持从前和从后两种查找模式
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】听力原文：What is it called if a letter of credit is issued for guarantee of performance rather than payment? (3)
A.
Back-to-back credit.
B.
Reciprocal credit.
C.
Documentary credit.
D.
Stand-by credit.
【单选题】172 Fixed-price and incentive-type contracts place responsibility for performance and financial risks associated with delay or non-performance on the:
A.
Buyer
B.
Third party
C.
Contractor
D.
All of the above
E.
None of the above
【单选题】A benefit performance is a performance for which a charitableorganization has bought out at a discounted price and _____ funds by sellingtickets at a full price.
A.
furnishes
B.
raises
C.
accumulates
D.
contributes
【单选题】Fixed-price and incentive-type contracts place responsibility for performance and financial risks associated with delay or non-performance on the:
A.
Buyer
B.
Third party
C.
Contractor
D.
All of the above
E.
None of the above
【单选题】The bidders shall furnish a performance bond () than 2% of the total bid price.
A.
not lest
B.
no more
C.
not much
D.
no less
相关题目：
参考解析：
知识点：
题目纠错 0
发布
