钢管舞表演
高中英语知识点：be certain、be sure的用法
<p class="ql-align-justify">1、be certain/ be sure
周润发电视剧<p class="ql-align-justify">be uncertain about意思是“对……不确定（没把握）”
<p class="ql-align-justify">uncertain的词根是certain，意思是“确信的，有把握的”，常用于以下结构：
<p class="ql-align-justify">(1)be certain(sure) to do
sth.“肯定会做……”（表示某事将要发生）。如：
<p class="ql-align-justify">He is certain(sure) to come next Sunday.
<p class="ql-align-justify">(2)be certain(sure) of/ about sth.“确信、有把握”（表示某个人的思想状态）。如：
<p class="ql-align-justify">We are certain/ sure of victory.
金匮肾气丸的作用与功效<p class="ql-align-justify">(3)名词从句作主语时，一般多用certain.
<p class="ql-align-justify">It is certain that he will come.
<p class="ql-align-justify">2、be different from 与……不同
<p class="ql-align-justify">Your idea is different from mine. 你的想法和我的不同。
<p class="ql-align-justify">对比：make sb./ sth. different from使某人/某物不同于……板栗怎么做好吃又简单
<p class="ql-align-justify">Her special accent makes her different from others. 她特殊的口音使她与众不同。
<p class="ql-align-justify">3、be familiar with/be familiar to
<p class="ql-align-justify">be familiar with的主语是有生命的事，意为“某人对人、事熟悉”；be familiar to 的主语是无生命的事物，意为“某人/事为某人所熟悉”，对比：He is very familiar with the names of plants in English.他很熟悉植物的英语名称。Suzhou and Hangzhou are familiar to many foreigners.苏州和杭州为很多外国人所熟悉。
<p class="ql-align-justify">I’m not familiar w ith European history./European history is not familiar to me.我对欧洲历史不太熟悉。
<p class="ql-align-justify">注意：be familiar with/to 还表示“精通、通晓”
<p class="ql-align-justify">如：French is as familiar to him as English.他对法语就象对英语一样精通。
<p class="ql-align-justify">[应用] 一句多译
<p class="ql-align-justify">①这些事实是每个学生都熟悉的。夕阳的反义词
打点计时器求加速度<p class="ql-align-justify">②她精通4种语言。好运英文
<p class="ql-align-justify">Key：①The facts are familiar to every schoolboy./Every shoolboy is familiar with the facts.
海拔最高的盆地<p class="ql-align-justify">②She is familiar with four languages./Four languages are familiar to her.
