北师大版高中英语必修第二册课时作业+单元质量检测含详解答案

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课时作业(二)　Unit 4　Part Ⅱ　Lesson 1　AvatarsⅠ.单句语法填空1．By tradition, in some countries, people can play tricks ________ each other before noon on April 1, but they'll be foolish if they do it in the afternoon.2．Today, a fall guy is a person who is tricked ________ taking the blame for the crime or wrongdoing of someone else.3．The old woman was tricked ________ of her golden earrings.4．She recognized me ________ (instant) she caught a glimpse of me.5．You see the lightning ________ instant it happens, but you hear the thunder later.6．In ________ instant, he took off his coat and jumped into the water.7．As the car approached the town center, several tall buildings came ________ view.8．If we sit near the front of the bus, we'll have ________ better view.9．Whether it is in the past, at present, or in the future, time would not vary ________ the development of the world.10．Many parents want to give their children chances to experience a variety ________ situations.11．The shop has ________ (vary) clothes for women customers to choose from.Ⅱ.请从方框中选择恰当的单词或短语，并用其适当形式填空a variety of　identity　fancy　concern　experiment with1．Walking inside the shop, I was attracted by the ________ soaps in seashell shapes.2．The police are trying to discover the ________ of the killer.3．There is ________ apps to choose from for learning English.4．Stress at work is a matter of ________ to staff and management.5．In 1857, Mendel started ________ peas in his garden.Ⅲ.完成句子1．The __________ (明智的方法) is to leave them alone.2．Mum always made me have ______________ (朴素的衣服).3．The designers ________________ (试验了新观念) in lighting.4．________________ (用动物做实验) causes sufferings.5．The astronauts ________________ (正在进行一系列实验) to learn more about how the body adapts to weightlessness.6．The report ________________ (表达了对……的忧虑) continuing high unemployment.7．The story ________________ (讲的是王子努力) to rescue Pamina.8．Issues like food additives do ______________ (使我担心).9．First­generation Americans ________ the United States ________ (把……看成) a land of golden opportunity.10．Teachers and parents have ______________ (相似的观点) on students' health.Ⅳ.语法填空Avatars are digital 1.________ (identity), which you use to represent yourself online. The first simple 2D avatars 2.________ (appear) in role­playing computer games in the 1980s. Nowadays avatars have a wide variety of forms and users. People can choose an avatar from a 3.________ (select) of ready­made images, or create their own images. The avatar you choose says a lot about your 4.________ (personal). Avatars let you express 5.________ (you) and give you lots of room for 6.________ (create). But the use of avatars has also caused a few 7.________ (concern). Some users worry that they are spending so much time in virtual worlds 8.________ they are becoming afraid of meeting people in the real world. The use of several avatars can also be a source of risk, as people can use avatars to cheat 9.________ (other) online. However, many people see avatars in a more positive light. They look forward to a time 10.________ their avatar will act like a real person.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　Ⅴ.完形填空The door of happinessWhen one door of happiness closes, __1__ opens. However, we often look at the __2__ door so long that we can't see the one that has been opened for __3__．It is true that we don't know what we've got until we lose it, and it's __4__ true that we don't know what we've been missing until it __5__．Giving someone all your love doesn't __6__ that they'll love you back. Don't expect love in __7__. Just wait for it to grow in their hearts.There are many moments in life when you miss someone so __8__ that you want to bring them into your dreams and __9__ them for real! Dream what you want to dream, go __10__ you want to go, and be what you want to be, because you have only one life and one __11__to do all the things you want to do.__12__ lies in those who have cried, those who have been hurt, and those who have tried, because they can understand the __13__ of their lives. The __14__ future will always be based on a forgotten past. You can't go on well in your life __15__ you let your past failure and heartaches go.1.A.other　　　　B．anotherC．the other    D．the others2．A.open    B．sameC．closed    D．broken3．A.us    B．themC．me    D．you4．A.too    B．alsoC．either    D．hardly5．A.goes off    B．goes awayC．gets back    D．breaks away6．A.learn    B．leaveC．mean    D．design7．A.need    B．timeC．line    D．return8．A.many    B．muchC．few    D．little9．A.turn    B．treatC．fight    D．hug10．A.when    B．whatC．why    D．where11．A.chance    B．chooseC．change    D．chat12．A.Happy    B．HappinessC．Happily    D．Unhappy13．A.importance    B．expectationC．impression    D．confidence14．A.brightest    B．heaviestC．cleverest    D．bravest15．A.so    B．whenC．until    D．that