7．keep sth. in mind 记住

　　8．lead to通向；导致，引起

　　9．in case 以防，万一

　　10．in the absence of sb. 某人不在时

　　11．adjust to 适应，调整

　　12．act as充当，担任

　　1．There's no point reading the news in English if you've already watched it in your own language.

　　如果你已用母语看过这条消息，再用英语来读是没有意义的。

　　[句式分析]　There is no point (in) doing sth.意为"做某事没有作用或意义"。

　　[佳句赏析]　后悔失去的没有意义，我们应该抓住我们现在所拥有的。

　　There is no point regretting the lost and we should grasp what we have now.

　　2. It was predicted as early as the 1700s that English would one day be the global language and that has proved to be the case in the last few decades.

　　早在十八世纪，人们就预言总有一天英语会成为全球性语言，并且在过去的几十年里已被证明是正确的。

　　[句式分析]　It was predicted that ...表示"据预测......"，在该句型中，it作形式主语，真正的主语是that引导的从句。

　　[佳句赏析]　据预测，在今后的50年里，太空之旅将非常普遍。

　　It was predicted that space journeys will be very common within the next 50 years.

　　3．(长难句分析) What this means is that they make sure there is an adequate amount of input in English conveyed to the students through various mediums.

　　这就意味着，他们要确保通过不同的媒介向学生传达足够量的英语输入信息。

　　Ⅰ.Do you know what language is?

Basically,_language_is_the_symbols_we_use_in_order_to_communicate_with_one_another,_and_the_rules_that_govern_how_we_use_them.