1、课时作业20单元加餐练.单词拼写1While at school, they formed a team to practice playing table tennis.2I dont think they need any extra (额外的) help.3The old man is good at making some kinds of instruments (乐器)4It is said that the news will be broadcast tomorrow morning.5The boy performed (表现) well at the party, whic
2、h made his mother proud.6The young man has earned much money by working hard.7The man paid in cash and left the shop quickly.8They all received an invitation (邀请) to the party except me.9He was confident (自信的) that he would be admitted to the key university.10We saw the play separately and exchanged
3、 our opinions afterwards (后来).选词填空break up， play jokes on， above all， sort out， or so， in addition， earn ones living， in brief， to be honest， attach great importance to1The watch costs 200 yuan or_so.2He likes to play_jokes_on girls, so he isnt popular with girls.3Sentences can be_broken_up into phr
4、ases and phrases into words.4He did all sorts of jobs to earn_his_living.5To_be_honest,_I dont agree with you.6Could you sort_out the toys that can be thrown away?7Above_all,_make sure you can come here on time.8There is not enough time left, so Ill tell you about it in_brief.9Honestly speaking, I d
5、ont like them because they attach_great_importance_to becoming rich and famous.10We met some friends and other people in_addition.单句语法填空1The young man dreams of becoming (become) a writer some day.2When his mother came in, he pretended to_be_doing (do) his homework.3This middle school is attached (a
6、ttach) to a teachers college.4He was satisfied with his earnings (earn) as a lawyer.5They had_planned (plan) to help, but they were too busy.6The Internet games are attractive (attract) to some young people.7Are you nervous when you give a performance (perform) to strangers?8Jackson relied on pills
7、to go to sleep every now and then.9People waiting (wait) for the bus are talking with each other.10He handed me a pen with which I wrote down his phone number.11A bottle of wine would make a pleasant addition (add) to the meal.12That was a painful (pain) experience for the woman.13I hope you can com
8、e up with a better plan than this one.14It will be a long time before we meet them again.15As a soldier, he showed selfless devotion (devote) to duty.单句改错(每小题仅1处错误)1The smell is very familiar with everyone who lives nearby.withto2You may rely on that he will come to help you.rely_on_后加it3He has thre
9、e daughters, and all of whom went abroad for further education.去掉and或whomthem4He made the suggestion in form of a question.suggestion_in后加the5He devoted himself to write films.writewriting6In addition food, I bought you some books.addition_后加to7There are all sort of activities for kids at the party.
10、sortsorts8Would you please brief introduce yourself？briefbriefly9There is no doubt that the customers are very sensitive for the price.forto10The pencil is in the water and it looks as if it was broken.waswere.单元语法完成句子1刚才和你谈话的老妇人是一位著名的艺术家。The old woman with_whom you talked just now is a famous artis
11、t.2我看见了三张折叠床，其中的两张已经被人占了。I saw three camp beds, two_of_which were occupied.3没有它我们就不能生存的气体叫氧气。The gas without_which we could not live is called oxygen.4过去在山顶上有一间房子，房子的前面有一棵大树。There used to be a lonely house at the top of the hill, in_front_of_which stood a huge tree.5我告诉了他们我没有去开会的原因。I had told them t
12、he reason for_which/why I didnt attend the meeting.阅读理解Music lessons in early childhood lead to changes in the brain that could improve its performance far into adulthood, researchers say.Brain scans of young adults showed that those who had formal musical training before the age of seven had thicke
13、r brain regions that deal with hearing and selfawareness. The findings stress how brain development can be influenced by the age when children start to learn a musical instrument, and how those changes can go into later life.“Early musical training does more good to kids than just making it easier f
14、or them to enjoy music. It changes the brain and these brain changes could lead to cognitive (认知的) development as well，” said Wang Yunxin of Beijing Normal University.“Our results suggest it might be better to start musical training before age seven, which agrees with what most piano teachers sugges
15、ted，” she added.Wang designed the study to try to find out whether musical training early on in life had any lasting effect on the structure of the brain. She hoped the results might help parents decide what time was best for their children to learn an instrument. The brains cortex (皮层) plays a main
16、 role in scores of important abilities, from thought and language to memory and attention. The region matures rapidly in the early years of life, and its development could be affected more if a person starts musical training before it fully matures.Wang studied 48 Han Chinese aged between 19 and 21
17、who had received formal music training for at least a year sometime between the ages of 3 and 15. After considering gender and the number of years spent having music lessons, Wang found that musical training that was started before the age of seven appeared to thicken areas of the brain involved in
18、language skills and executive function, which is a persons ability to plan and carry out tasks. She presented the results at the Society for Neuroscience annual meeting in San Diego.本文主要讲述了人们小时候的正规音乐训练对大脑发育的影响。1A boy with thicker brain regions means _.Ahe takes great interest in learning musicBhe ma
19、y be good at hearing and selfawarenessChe used to be excellent in his hearing abilityDhe is sure to have a great future in music答案：B解析：推理判断题。根据文章第二段的第一句可知，对年轻人的大脑扫描结果表明，在七岁之前有过正规音乐训练的人，处理听力与自我意识的大脑区域会相对更厚。文章又是在讲述音乐的优势，故选B项。2What does Wang Yunxin suggest in the passage?AChildren should be provided wi
20、th music education in time.BThe structure of the brain is too complex to understand.CPiano teachers will give parents more valuable advice.DMusic can make a child equipped with best intelligence.答案：A解析：推理判断题。根据文章第五段的第二句可知，她希望研究结果可以帮助父母决断对孩子们来说何时开始学习乐器是最好的，据此可推知A项正确。3What can be learnt from the sixth
21、 paragraph?AThe brains cortex decides how tall a child can grow.BA childs growth can be deeply limited by music.CIt is much better for children to learn music early.DEarly music education has little effect on the brains cortex.答案：C解析：推理判断题。根据文章第六段的内容可知，大脑皮层对思考与语言、记忆与注意力的能力而言具有很重要的作用。这个区域在幼年迅速成熟，但是如果
22、在其还未完全成熟前进行音乐训练，会对大脑皮层的发展具有重要影响。故选C项。4What can be concluded from the passage?AA persons ability mostly relies on music education.BMusical training can help parents control their children.CMusic lessons should be given more attention.DSchools must spend a lot of time on music.答案：C解析：推理判断题。文章主要讲述了在孩子7
23、岁之前学习音乐的重要性，强调了早期正规的音乐训练对大脑发育的影响。故选C项。.书面表达假设你是张华，现就读于多伦多大学(the University of Toronto)。请就你的室友Tom的不文明表现写信向好友David求助。1不讲卫生(sanitation)；2休息时间大声播放音乐；3随意动用他人物品；4常带朋友到宿舍喝酒喧闹。注意：1.词数100左右；2信的开头和结尾已给出，不计入总词数。Dear David，I_am_studying_in_the_University_of_Toronto._Now_I_have_some_problems_with_my_roommate,_To
24、m,_and_I_am_writing_to_ask_you_for_help.Tom_is_basically_a_good_guy._But_sometimes_he_doesnt_care_much_about_his_behavior._He_pays_no_attention_to_the_room_sanitation,_often_leaving_his_things_about._He_plays_very_loud_music_during_the_rest_time._At_times,_I_find_him_using_others_daily_things_without_permission._Whats_worse,_he_often_brings_his_friends_here_to_drink,_talking_and_laughing_loudly._I_have_been_trying_to_ask_him_not_to_do_that,_but_he_doesnt_listen_to_me._What_shall_I_do?_Would_you_be_so_kind_as_to_give_me_some_advice?Best wishes!Yours，Zhang Hua
