课时作业(二十一)Unit 6Section Starting out & Understanding ideas 语言知识训练.单词拼写1What did Levine take into consideration when d_ (设计)her annual experiment?2T_ (因此)，they dont have time to learn how to read or write and dont get an education.3As a child, Adeline couldnt understand why the medal was so s_ (重要的).4My cat and dog never fight; they live together in perfect h_ (和谐).5After all, there it can pollute drinking water, harm plants, and eat away s_ (土壤).6While the suns rays can age and h_ (伤害) our skin, they also give us beneficial Vitamin D.7Children know more than earlier g_ (几代人) of youngsters knew.8But in a_ (农业)，small farmers can get the best of the major players.9While watching the TV show South Park, I was a_ (吸引)by the funny characters.10You can sign up for an appointment on the signup s_ (表)outside the door.单句语法填空1For example, the number 7 _ (flash) on one side of the screen and the other end would have 9 and 8.2She had participated in cold English Bay swimming events for 76 years and was _ sometimes known as the Queen of the Polar Swims.3We recognized the possibility and took steps _ (prevent) it happening.4What you should pay attention to is to be in harmony _ the people around you.5These goods can be transported to Europe _ waterway.6This app _ (design) for those who prefer vegetables.7Theyre learning to do _ (tradition) dances.8The crocodile lets the plover eat small, _ (harm) animals attached to its teeth.9Technology is vital for _ (agriculture) development.10Considered one of the most beautiful lakes in Europe, Lake Como _ (attract) tourists since Roman times.课文语法填空The Longji Rice Terraces 1._ (build) by the local Zhuang and Yao people. There are few large, flat areas of land in the region, so they turned 2._ (mountain) into terraces to have more areas 3._ (grow) crops. The terraces are 4._ (clever) designed to prevent the soil from 5._ (wash) down into the river or the sea. 6._ is most significant is the way in which people have worked in harmony with nature. There are hundreds of waterways connected with each other, 7._ which rainwater moves down the mountains and into the terraces.Terrace 8._ (construct) not only protects the local ecological environment, but also provides 9._ good living area for wildlife. This knowledge is passed down through families, 10._ (mean) that new generations continue to use ancient methods of agriculture to maintain the terraces. Today, they attract lots of visitors who come to admire this wonder created by people here.语言能力训练.七选五Friendships can bring joy or sorrow._1_， we have talked to researchers, authors, and therapists to learn how to manage the common relationship difficulties we all face.Broken promisesFriends are vital for our physical and mental wellbeing but these relationships arent always smooth sailing._2_. And a major way this happens is through broken promises. Perhaps he canceled (取消) plans at the last minute or she declined to take part in an important party.“_3_，the first thing to do is remember that no one is perfect，” says Jan Yager, PhD, friendship coach._4_“Sometimes jealousy (猜忌) reveals our deepest desires，” says Dr. Yager. “Healthy envy can motivate you to become better and be inspired by your friends success，” she says. She points out that it could be the other way around as well: Your friends might be jealous of you.Feeling left outTheres no worse feeling than when you check Facebook Monday morning to find out that your friends went on a weekend getaway without you. Scott Christnelly, a therapist, says，“I encourage clients to express their feelings about it but also not to jump to conclusions.” Then find someone else to talk tomaybe a family member, or a close friend (not one who went on the trip)to explain how you feel._5_.AExperiencing envyBBut while it may be painfulCStopping feeling jealous of themDA breakup between friends can be just as painful as a romantic splitEIn fact, its common to experience some serious hurt from your friendsFSince theres no rule book on what to do when things get tense or go southGMaybe through that conversation, you can brainstorm how you will respond.完形填空I was waiting for my friend at the bus station. There came a man selling culture shoes and started _1_ them off to me so that I could buy a pair. I just _2_ and said thank you. I dont know if it was because of the smile that the young man stepped _3_ and stood beside me and started talking to me. “You know I didnt just end up selling shoes. I had a family but one day my life was just _4_ upside down and all was _5_，” he said. Those were his words. In _6_， he lost all his money, his car a