单词拼写（15分）

A、根据句意及首字母补全单词。

1. We are going to w_____ up the the Great Wall.

2. The radio says there will be h ______ rain and s______ winds

3. Homes will be warm in winter and we’ll be very c______.

4. My father is at work . He’s w______ .

5. We are getting ready for Spring F________.

6. You need to have a h________ . Your hair is too long .

氧解离曲线由正常位置向左移（）.

A.表明血液在一定氧分压时氧含量减少

B.可发生在贫血时

C.表明从血液进入组织的氧量增加

D.可见于储存数周后的血液（糖酵解反应停止）

E.可见于组织代谢增加时