1.appear v. 显得，看起来，好像
1） appear + adj. 看起来…
She appears happy.
Lisa appeared calm and relaxed on the stage.
2）appear to do sth. 看起来在做某事
She appears to be happy.
The necklace appeared to be expensive.
He appeared to understand the question.
She appeared to know the whole story.
She appears a strange girl.
4）拓展：it appears (that) +句子
It appears that she hasn’t lied.
It appears that they have just left.
4）拓展：there appears to be…
There appears to be something wrong with the washing machine.
2.appear v. 出现
appear + at/in/from等介词
A bird suddenly appeared at the window.
A little dog appeared from behind the gate.
The sun appeared above the horizon.
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1.______Zhai Xiaowei has only one leg, he can dance wonderfully
A .Though B.But C. So
【解析】此句意为“虽然翟小伟只有一条腿，但他舞跳得非常好。” though表示虽然， but表示但是，so表示所以。故选A。