睑弦赤烂一名始见于：
A．《证治准绳·七窍门》B．《银海精微》C．《诸病源候论》D．《秘传眼科龙木论》E．《龙树菩萨眼论》
参考答案：B
（）坡口应用于厚板焊接。
A、U形
B、I形
补全对话。
T: Hello, Bill. 1 .
B: This afternoon ? Yes,I am.
T: We're going to have a baseball game. 2 .
B: 3 . But I'm afraid I can't.I have to go to see the doctor.
T: Why? What's the matter?
B: I have a sore back .
T: I'm sorry to hear that. 4 .
B: Sure. 5 .
