1、Unit 1 Words and expressions crucial adj. 至关重要的;关键性的 Early diagnosis of illness is crucial to/for successful treatment. 这种疾病的早期诊断对于治疗的成功至关重要。 Body language is the key to communication,so proper gestures and postures play a crucial role in our daily life. 肢体语言是沟通的关键，所以恰当的手势和姿势在我们的日常生活中起着至关重要的作用。 It i
2、s crucial that all students（should）develop these basic skills. 所有学生都要培养这些基本技能，这是极其重要的。 be crucial to/for. play a crucial role/part in. It is crucial that. 对至关重要 在中起至关重要的作用 极其重要 that 引导的主语从句中谓语要用should动 词原形的形式，should 可以省略） 关键是要马上处理这一问题。 It is crucial that the problem _ immediately. 球迷的支持对我们赢得超级杯非常关键。
3、 The support of our fans _our winning the Super Cup. (should) be deal with is crucial to/for vital adj. 极其重要的，必不可少的 Although these measures are not effective forever，they are vital for now. If the injuries are second or third degree bums,it is vital to get the victim to the hospital at once. It is v
4、ital that we should be in a god state of mind in the face of failure. be vital to/for. It is vital to do sth. lt is vital that. 对极为重要 做某事很重要 尤为重要 Understanding history is vital _understanding ourselves as a people and as a nation. To understand culture shock,it is vital _(understand) what culture is
5、. to/for to understand acknowledge vt.承认（属实、权威等）;（公开）感谢 Finally Mike acknowledged having made a mistake. Finally Mike acknowledged that he had made a mistake. She is widely acknowledged as the best tennis player in the world. It is widely acknowledged that she is the best tennis player in the world.
6、 I would like to acknowledge all the help I have received from my family. acknowledge having done sth. acknowledge that. acknowledge.as/to be. It is generally/widely acknowledged that. 承认做了某事 承认. 认为是 普遍认为. She has been acknowledged_ the most promising female scientist in her research area. Its gener
7、ally_(acknowledge)that health is the most important to everyone. as acknowledged insist vi.推论 come to/arrive at/reach/draw a conclusion in conclusion 得出结论 最后 Well have a further discussion before we come to a conclusion. 得出结论之前我们将做进一步的讨论。 In conclusion，Id like to thank you for all youve done for me.
8、 最后，我要感谢你为我所做的一切。 From the above discussion we can_ （得出结论）that success comes t anyone who keeps working hard and never gives up. _conclusion,I think Ms Sullvan should be Educator of the Year. Even if she doesnt get the honour,she still deserves our respect and love! come to/arrive at/ reach/ draw a conclusion In found vt.创建，创办;把建立在 be founded on 建立在基础上 be based on His theory is founded on facts.
