按要求改写句子。

1. There is a cup of tea on the table. (改为复数形式)

    There_______ _______ _______of tea on the table.

2. We need some apples. (就画线部分提问)

    _______ _______apples do you need?

3. Put the bananas into the blender.  (改为否定句)

    _______ _______ the bananas into the blender.

4. We need one teaspoon of honey now.  (就画线部分提问)

    _______ ________ _______ do you need now ?

5. Lily needs some help. (改为一般疑问句)

     _______ Lily_______  _______ help?

6. Close the window, _______? (完成反意疑问句)

债券的发行人无法按期支付债券利息或偿付本金的风险属于( )。

A．违约风险

B．系统风险

C．流动风险

D．期限风险