Unit 2 Great peoplePeriod 4 Integrated skills&Study skills必背单词必背单词1.mathematics(=maths)n.数学2.scientist n.科学家 _n.科学;自然科学学科3.laboratory(=lab)n.实验室4.discovery n.发现;发现物science 必背单词必背单词5.unknown adj.未知的;不出名的 _ adj.已知的;有名的6.widely adv.广泛地，普遍地 _ adj.广泛的;宽阔的 known wide 必背短语必背短语7._嫁给一位法国科学家 8._结婚 9._ 的发现 10._不为人所知11._推动X 光设备的使用marry a French scientistget marriedthe discovery ofbe unknown to sb.push for the use of X-ray machines 必背句子必背句子12.It was brave of him to go to a place that _ humans at that time.在那时，他是多么勇敢去一个人类未知的地方。was unknown to必背句子必背句子13._ its a lot of trouble being Harry Potter,esp.when youre a 78-yr-old man.据说作为哈利波特有很多烦恼，尤其当你是78 岁的男人Its said that