题目

已知等腰三角形的一个内角为80°，则顶角为        ． 答案：80°或20°解析:略选词填空。根据语境，用方框中所给短语的适当形式填空。（每个短语仅使用一次）【1】We are expecting to ____________ some important facts.【2】Some bad people ____________ that house, and stole many things of it.【3】On hearing the good news, he shared it with his parents ____________.【4】The powerful earthquake left almost everything in the town ____________.【5】The girl listened carefully ____________ she had been turned into a stone.【6】I ____________ the heavy rain on the way to school yesterday.【7】____________ fans came to the street to celebrate the victory of the Spanish team.【8】His official ____________ is editor.【9】He drove at a high speed, which ____________ Lara to death.【10】_____________ the tasks is fairly small this year.