单词拼写：

1. Do you want to borrow some books? You can go to the l______.

2. Our g______ teacher told us that the earth is going around the sun.

3. The girls students don’t like to take o______ activities.

4. This work will take a long p______ of time.

5. My i______ are to take photos and collect stamps.

下列属于国债发行的方式是（）

A.承购包销

B.代销

C.公开招标

D.公开拍卖

E.直接公募发行