11.The mayor decided to condense his speech in order to leave enough time for his audience to raise questions.市长决定发表演讲，以便留出足够的时间让听众提出问题2.It was reported that there was a vehicle missing every 20 seconds in the US. If the trends continue, experts predict annual vehicle thefts could exceed two million.据报道美国每20秒就有一辆车失踪。如果趋势继续下去，专家预测每年的汽车盗窃案可能会超过两百万。3.Researchers put patients through a set of psychological tests to determine the negative consequences of sleep deficit.研究人员通过一组心理测试来确定睡眠不足的负面后果。 .4.Too much exposure to dirty air can cause people to suffer from allergies and diseases that will eventually affect peoples health.过多暴露于脏空气会使人们遭受过敏和疾病，最终会影响人们的健康。5.Moving forward even in the face of great difficulties has become my most important asset in my life since it has helped me accomplish something remarkable.即使面临巨大困难，向前迈进也成为我一生中最重要的财富，因为它帮助我完成了一些了不起的事情。6.The lawyer proclaimed they couldnt jump to conclusions because acceptable conclusions must be supported by adequate acts and evidence.律师宣称他们不能贸然下结论，因为可接受的结论必须得到充分的证据和证据的支持。7.To help the employees be more communicative, the company is offering workshops for those who may be professionally competent but socially awkward.为了帮助员工更加沟通，公司为那些可能是专业能力但社交尴尬的人开了一个讲习班。8.Most parents, in fact, arent very helpful with the problems that their sons and daughters have in adjusting to their college life.事实上，大多数父母对子女在适应大学生活时所遇到的问题并不是很有帮助。9.You can count how many students passed an exam, but psychological and emotional feelings cannot be precisely measured.你可以计算有多少学生通过了考试，但心理和情感上的情感是无法精确测量的。10.In short, participation in sports is extremely beneficial for college students not only physically but also emotionally and socially.总之，参加体育运动对大学生不仅在身体上，而且在情感上和社会上都是非常有益的。1.Since we have invited all the other neighbors to our 25th wedding anniversary party, we feel obliged to invite the Browns too.既然我们邀请了所有其他的邻居参加我们的第二十五个结婚纪念日聚会，我觉得也有必要邀请布朗一家。2.Most of the time, no one will care about natural disasters, and they wont be serious aboutavoiding disasters till one has really struck.大多数时候，没有人会关心自然灾害，他们不会认真对待。避免灾难，直到真正击中。3.When you run into a friend that you havent seen for a long time and have a good chat with him, you may feel very happy and delighted.当你遇到一个你很久没见到的朋友，和他好好聊一聊，你会感到非常高兴和高兴。4.It is very important to distinguish between facts and opinions in order to have a better understanding of what a reading passage is talking about.区分事实和观点是非常重要的，以便更好地理解阅读文章所谈论的内容。5.Though he was very excited about being elected as the president of the student association, many extra responsibilities have been thrust upon him ever since then.尽管他对当选学生会主席感到非常兴奋，但从那时起，他肩负起了许多额外的责任。6.The doctor, having no knowledge that I was allergic to his particular drug, prescribed the medicine.医生不知道我对他的特效药过敏，开了药。7.Its understandable that, without any support, a 16-year-old can easily get lost in a committee of people in their forties.可以理解的是，一个16岁的孩子在没有任何支持的情况下，很容易在四十多岁的人中迷失。8.It is hoped that some new high-tech companies will be attracted to this small, old town to encourage loans for building houses and factories.希望一些新的高科技公司被吸引到这个小老城，鼓励建造房屋和工厂的贷款。9.It doesnt make sense to buy that expensive coat when these cheaper ones are just as good.买那些昂贵的外套，当这些便宜的衣服也一样好的时候，没什么意义。10.A few years later, Franklin got married, started his own printing shop, and was looked upon as a successful young businessman.年后，富兰克林结婚了，创办了自己的印刷店，并被视为一个成功的年轻商人。U21.In our class, most discussions and activities take place in assigned small groups. These groups provide a supportive and safe environment that promotes learning.在课堂上，大多数讨论和活动都是在指定的小组中进行的。这些团体提供一个支持和安全的环境促进学习。2.It is the development strategy of the company to accelerate its overseas expansion in order to take a slice of the world market.公司的发展战略是加速其海外扩张，以抢占世界市场份额。3. Nearly six million people go to see the Mona Lisa every year, attracted by the mystery of her smile. When youre not looking at her, she seems to be smiling; when you look at her, she stops.每年有将近六百万人去看蒙娜丽莎，她被她的微笑迷住了。当你不看着她时，她似乎在微笑；当你看着她时，她停了下来。4.To live with a family whose native language is English is the ideal way to further improve ones English and to gain insight into its culture.与一个母语为英语的家庭一起生活，是进一步提高英语水平和了解其文化的理想途径。5.here is a real need to boost academic achievement in schools and help with the development of a students overall character.这是一个真正的需要，以提高学业成绩在学校和帮助学生的整体素质的发展.6.Einstein said his scientific discoveries grew from his imagination rather than from analysis reason and language.爱因斯坦说他的科学发现是从他的想象中发展而来的，而不是从分析的原因和语言。7.Being a single parent, there is no way for her to calculate he time and energy she has devoted to her children for the past 10 years.作为一个单亲家庭，她无法计算过去10年来她为孩子们所付出的时间和精力。8. It is essential that you start by listening because one of the main barriers teenagers and their parents face in forming positive relationships is that neither listens to the other.你必须从倾听开始，因为青少年和他