本单元音标:齿龈后部破擦辅音 /tr/
	每日练嘴单词:
	字母组合:tr
	        1.trade
	        贸易;买卖
	        Hundreds of thousands of people attend the Guangzhou Trade Fair each year.
	        每年有成千上万的人来参加广交会。
	        2.traditional
	        传统的;惯例的
	        1).Many foreigners like traditional Chinese clothes.
	        很多中国人喜欢传统的中国服装。
	        2).He's a very traditional sort of person.
	        他是个很传统的人。
	        3.trick
	        诡计;骗局;诀窍;欺骗
	        1).I want to speak good English.Is there a trick to it?
	        我想讲一口流利的英语。有什么诀窍吗?
	        2).It's a tradition to play tricks on people on April 1st.
	        在四月一日作弄人是一个传统习俗。
	        4.introduce
	        介绍;引进;退出
	        Allow me to introduce my friend Patrick.
	        请允许我介绍一下我的朋友帕特里克。
	        5.contract
	        合同;签合同
	        1).I signed a contract with the company.
	        我与公司签了个合同。
	        2).A contract between two countries is called a treaty.
	        两个国家之间的合同叫条约。
	        3).The company has just won a contract to supply Computer Software to the government.
	        这家公司刚刚争取到一份为政府供应计算机软件的合同。
	字母组合:str或xtr中
	        6.straight
	        直的;直接的
	        The politician refused to give a straight answer to the reporter's question.
	        这个政治家拒绝正面回答记者的问题。
	        7.struggle
	        斗争;努力;奋斗
	        Learning English is a struggle but it's worth it.
	        英语学习需要奋斗,但很值得。
	        8.destroy
	        破坏;毁灭;摧毁
	        1).Don't destory all my hopes.
	        别摧毁我所有的希望。
	        2).Destroy your bad habits!
	        改掉你的坏习惯!
	        9.extremely
	        极端地;极其地
	        The movie was extremely interesting.
	        这部电影非常有趣。
	字母组合:ter
	        10.interest
	        兴趣;爱好;利益;利息
	        1).Don't lose interest now!
	        别失去兴趣!
	        2).We have your interests at heart.
	        我们会把你的利益放在心上。
	特别奉献:
	         Have a good trip.
	         旅途愉快。/一路顺风。
	十大练嘴精品句:
	包含一个该辅音:
	 1.What she said is not true.
	  她说的不是真的。
	 2.You're in deep trouble.
	  你有大麻烦了。
	 3.Let me have a try.
	 让我试一试。
	包含两个该辅音:
	 4.I was tricked into signing the contract.
	 我被骗签了那份合同。
	 5.There has been a marked increase in trade between the two countries.
	 两国间的贸易有明显的增加。
	 6.Let me introduce you to the district attorney.
	 让我把你介绍给地方律师。
	包含三个该辅音:
	 7.He traveled by train across central Europe.
	 他乘火车穿越欧洲中部旅行。
	 8.Don't distract me.I'm trying to concentrate on my studies.
	 别让我分神。我要专心学习。
	包含四个该辅音:
	 9.Never trouble trouble till trouble troubles you.
	 麻烦不找你,就别自找麻烦。
	 10.You should pay me extra money for the extra work.Don't try to trick me.
	 要我做额外的工作,你就得额外给钱。别想骗我。