30.skillful/;熟练的 skilln.技巧;技能 Ⅱ.高频短语 1.show...round/around 带(某人)参观 2.regardless of 不管;不顾 3.keep out... 阻止……进入;(使)留在外面 4.at most 至多;最多 5.cut up 切碎;使伤心 6.be aware of 意识到 7.fed up with 受够了;饱受;厌烦 8.look ahead 向前看;为将来打算 9.with relief 欣慰地;如释重负地 10.date back (to...) 追溯到……;始于 Ⅲ.经典句型 1. We have been excavating layers of ash almost six metres thick,which suggests that they might have kept the fire burning all winter. 我们一直在挖掘一层层的积灰,几乎有六米厚,这说明他们可能整个冬季都在烧火。 2.Yes,indeed,as the botanical analyses have shown us,all the fields around here used to be part of a large shallow lake. 是的,很对。正如植物学家的分析结果已经告诉我们的,这儿四周曾是一个很大的浅水湖的一部分。 3.If only she had looked ahead and planned better this year! 她今年要是早有预见,计划得更好些就好了! 4.Abruptly she sat down,only to be scooped up by her laughing,shouting sister,Luna. 突然间她坐了下去,