扩展库pandas中的Series对象哪个方法可以返回最小的前n个数据？ A: nlargest() B: n_smallest() C: n_largest() D: nsmallest()

With regard to its size, the U. S. A: is the ______ country in the world.A. largest B: second largest C: third largest D: fourth largest

Australia has the _____________ number of international students in the English- speaking world. A: the fourth – largest B: largest C: second – largest D: third - largest

China is ____ country in the world. A: the third largest B: the largest third C: the third large D: a third largest

China is the ____________ country in the world. 中国是世界上____________的国家。 A: largest 最大 B: second largest 第二大 C: third largest 第三大 D: fourth largest 第四大

India is the world’s largest _________ and _____________ of diamonds while Russia is the largest ___________.

London is not only the largest city in Britain, but also the largest in the world.

The Caspian Sea, a salt lake, is（ ）any other lake in the world. A: largest B: the largest C: larger than D: the largest than

Yes， China is already a big trading nation. Presently the country is （（ ）（ ）（ ） ）. A: The world largest merchandise exporter B: The world largest merchandise importer C: The world largest merchandise trader D: The world second largest merchandise exporter E: The world second largest merchandise importer

Montreal is the largest city in Quebec. It is the largest French-speaking city in North America.