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1、陕西省西安第一中学2020学年高二下学期期末考试（化学）Lesson 10 What Is DNA? Fill in each blank with the proper word from the brackets: What is _(big) animal in the world? These oranges are _(juice). Please have some. A horse is a _(help) animal. Look! My computer doesnt work. I need _ (repair) it. Does your computer need _
2、(repair)? 5. Would you mind _(open) the door for me? - No, not all. I have made up my mind _(help) you. 6. The boy _(call) Mike was once a thief, but now he _(call) “living Lei Feng”. juicy the biggest helpful to repair repairing/to be repaired opening to help called is called 根据汉语意思完成句子，每空一词： 我们都叫他
3、小李。 We all _ _ Xiao Li. 2. 昨天晚上我和父亲同时到家。 My father and I got home _ _ _ _ yesterday evening. 3. 这个动物的耳朵像兔子的耳朵。 The animals ears _ _ the rabbits. 4. 他们把不同的零件放在一起。 They _ these different parts _. 5. 我可能会把恐龙和兔子结合起来。 I might _ a dinosaur _ a rabbit. call him at the same time are/look like put together c
4、ombine and A task: Make a new living things! What if you could combine other animals or plants to make something new? Think: What animals or plants would you choose? Why? What would your new animal or plant be like? What would you name your new animal or plant? Why? Write down your ideas. Talk about
5、 them with your group. Draw a picture of your new animal or plant. Have fun! What if , 如果该怎么办/会怎么样？ Think about it! Do you and the students near you look the same? What is the same? Are there differences between you and them? What you know “DNA”? What can scientists do with “DNA”? “DNA” is short for
6、 deoxyribonucleic acid. What is DNA? What is a blueprint? What are identical twins? What does identical mean? What does identify mean? What do you know about DNA? Read carefully and answer the following questions: pattern Identical twins are two children that grew from the same egg. They have identi
7、cal DNA. They are clones. the blueprint of life the same to determine( 鉴定) Language notes: When you were a baby, your body already knew the answers to these questions. to prep. “的” 2. A blueprint shows where to put all the parts of the house. Its the pattern (that/which) you use to build the house.
8、the answer to the question the key to the door 3. Except for identical twins, each living thing has its own unique DNA. except prep. “除之外” 不能用于句首 except for “除(瑕疵)，若无” Language notes: Every one of us, _ him, went to the park. I usually go to school by bike _ on rainy day. She is a good girl _ her we
9、ak health condition. _ his carelessness, he is a good student. except except except for Except for except “除之外” besides “除之外(还有)” but 和except的用法大致相同 除了他以外，我们都去了。 We all went _ him. 除他去以外，我们大家也都去了。 We all went _ him. 盒子里除了一张卡片外，没有任何东西。 There is nothing _ a card in the box. except besides but/except L
10、anguage notes: 4. Except for identical twins, each living thing has its own unique DNA. Your DNA is in every part of your body. each adj. & pron. “每一，每个” 指两个或两个以上 的人或东西，强调个人或个别 every adj. “每一，每个” 只能指三个以上的 数量，强调全体或全部 _ has a book. _ of us has a book. We _ have a computer. _ student has a book. There
11、are a lot of tress on _ side of the street. Each Each each Each/Every 她认识班级中所有的学生。 She knows _ pupil of the class. 她认识班级中每一个学生。 She knows _ pupil of the class. every each each Language notes: 5. From your DNA, scientists can identify not only you but also people related to you. identify v. “确认；鉴别” i
12、dentical adj. “完全相同的” not only but also “不但而且” 用来连接 语法结构相同的成分，连接并列的主语时，谓语动词要 用“就近原则” Not only you but also he _(like) pop music. He can not only sing but also dance. He can speak not only English but also French. You can eat lunch not only at school but also at home. likes Language notes: 6. Your mo
13、ther and father related to you. So are your sisters and brothers. Tom can speak French. So can Jack. I am a good student. So is she. I watched TV last night. So did Mary. They have finished their homework. So have we. = Your mother and father related to you. Your sisters and brothers are related to you, too. Tom cant speak French. Neither can Jack. I am not a good student. Neither is she. I didnt watch TV last night. Neither did Mary. They havent finished th
