rely on 依赖；依靠

depend on 依赖；依靠

count on 依赖；依靠 carry out 实施；执行

carry on 继续；坚持

carry through 完成；使渡过难关

背教材原句 记句式结构 仿写促落实 1.No one knows for sure, and making predictions is a risky business.

谁也说不准，并且猜测也是件冒险的事。 动名词(短语)作主语。 踢足球是他的业余爱好之一。

Playing football is one of his hobbies. 2.Everyone will be given a telephone number at birth that will never change no matter where they live.

每个人在出生时都会领到一个电话号码，无论他们生活在什么地方，这个号码都不会改变。 "no matter＋疑问词"引导的让步状语从句。 无论明天发生什么，只要紧紧抓住今天，你就不会后悔。

No matter what happens tomorrow, hold on to today and you won't regret it. 3.Distance surgery will become common as doctors carry out operations from thousands of miles away, with each city having its own telesurgery outpatient clinic.

医生在几千英里以外为病人动手术的远程治疗将成为寻常事，因为每个城市都有自己的远程诊所。 with复合结构。 他有那么多文章要写，今天早上将没有时间去买东西了。

With a great many articles to write, he won't have time to go shopping this morning.

　　 alternative adj. 替换的；供选择的

　　n. 可能的选择；选择对象

　　(经典例句)As natural resources are limited on earth, we will have to use alternative energy.

　　由于地球上的自然资源是有限的，我们将不得不运用可替代性能源。

an alternative to 　　　　　　　 ......的替代品