What is essential to accomplish the sign-up for PayPal?
A credit card or a debit card.
B. An email address.
C. A bank account.
D. One of the above three.
Whom the PayPal users can transfer money to?
Any business owners.
B. Any online customers.
C. Anyone with the recipient’s email address or mobile phone number.
D. Any PayPal holders.
What does PayPal provide business with?
A. Online purchases.
B. Credit and financing options.
C. Swift money transfer.
D. Privacy protection.
9.1实验六:函数的定义及其应用一、设计一个子函数对n个整数进行由小到大排序,由主函数从键盘接收若干个数,调用子函数进行排序,并在主函数中进行输出显示。输入: 3 2 7 9 4 77 55 11 1 8运行结果为:输入的数值序列为: __1_, __2_, __3_, __4_, __5_, __6_, __7_, __8_,__9_,__10_