Read and write. (用所给单词的适当形式填空)

1. It's _____ for little children to play by the river by themselves. (danger)

2. — Who is _____, Tom or John? (clever)

    — Oh, it's hard to say.

3. The Space Museum is a very _____ place. (interest)

4. Guangzhou is in the _____ of China. (southern)

5. There are some new _____ on the desk. (photo)

根据《票据法》的规定，下列关于本票的表述中，正确的是（）。

A．本票的基本当事人为出票人、付款人和收款人

B．未记载付款地的本票无效

C．本票包括银行本票和商业本票

D．本票无须承兑