散客旅游又称______旅游，它是由旅游者自行安排旅游行程，______各项旅游费用的旅游形式。
参考答案：自助或半自助 零星现付
选择Who，Where， How， How old或How many填空。
1. — _____ is my pencil?
— Sorry, I don't know.
2. — _____ apples are there on the tree?
— Let me see.
3.— _____ is that boy?
— He is my friend, Mike.
4.— _____ are you?
— I'm fine. Thank you.
5.— _____ is your sister?
— She is nine.
以个人为发行对象的（）有时被称为储蓄债券。
A．短期国债
B．流通国债
C．非流通国债
D．中期国债
