按要求改写句子。

1. We walk to school every day. (改为同义句)

    We go to school ________________ ________________ every day.

2. Are these apples red? (改为同义句)

    Are these ________________ ________________?

3. That is a light box. (改为复数句)

    ________________ ________________ light ________________.

4. I can speak English. (改为否定句)

    I ________________ ________________ English.

5. The apple is on the table. (对画线部分提问)

    ________________ the apple?

下列哪项不属于体液平衡调节( )

A．利钠激素

B．抗利尿激素

C．甲状旁腺素

D．渴感作用

E．肾上腺皮质激素