辅汽至锅炉炉底加热的作用是什么？
参考答案：
自然循环管路的暖管，加热，改善点火时水冷壁的受热情况，防冻节约燃油，缩短启动时间。
根据句意及首字母提示补全单词
1. —Yao Ming is tall and strong.
—Yes. He is c_________.
2. The apple is g_________. Please give me a red one.
3. Here's a pencil. C_________ it yellow, please.
4. Look at the photo. Jane is in a p T-shirt.
5. The teacher is old, but the students are y_________.
阳虚证的治则是（）
A.阴中求阳
B.阳中求阴
C.阳病治阴
D.阴病治阳
E.平补阴阳
