九级英语上册 Unit 5 Look into Science Lesson 29 DNA—The Story of You作业 （新版）冀教版.doc

unit 5 look into science课时分层训练(二十九)lesson 29.根据句意及首字母提示补全单词1g_ speaking, women can live longer than men.2his mother asked him to r_ what she said.3we should read the i_ before we take the medicine.4li lei is one of the old mans g_5there are b_ of people around the world.用方框中所给短语的适当形式填空in general, except for, not onlybut also，billions of, be related to1danny is a good student _ his carelessness.2lucy can _ sing _ dance.3_， my mother goes shopping on sunday.4your dna _ your grandfathers. 5_ people like to drink tea.单项选择 ()1.what will you do _ the old books?ato bwith cabout dfor()2.running man is a very relaxing tv program _ is still hot among teenagers.awhich bwhat cwho dwhen()3.bens composition is almost perfect _ several spelling mistakes.aexcept bexcept forcbesides dbeside()4._ the students _ their teacher are enjoying the film.aneither; nor beither; orcnot only; but also dboth; and()5.2017德阳there are_teachers in our school and most of them are women teachers.ahundreds of bhundred of chundreds dfive hundreds()6.2016东营“重要的事情说三遍” can be translated into “important things mustbe _ again and again and again.” aspoken brepeated cdescribed dintroduced.2017苏州阅读理解do you have brown hair? are you taller than other kids your age? these characteristics were decided before you were born. you got your traits from your parents. they passed their traits on to you through genes(基因)genes carry codes(代码) for blue eyes or brown eyes. genes say how tall you will get and whatcolour hair you will have. you got half of your genes from your mother. you got half of your genes from your father. so you have your own set of genes. each person gets different genes for each body part. that is why you look likebut not exactly likeyour brother or sister.a dominant(显性的) gene shows up most of the time. brown eyes are dominant over blue eyes. a recessive(隐性的) gene shows up less often. light hair comes from a recessive gene. dark hair is more common. look at the eye colour and hair colour of the people around you. you will see that this is true.genes help make you who you are. but they dont tell the whole story. your genes may help you be fast and strong. but you still need to learn how to run or swim or skate well.()1.the underlined word “traits” in paragraph 1 means_acharacteristics bexperiencescachievements dpossibilities()2.according to paragraph 3, you can see most of the people around you have_.abrown eyes with dark hairbbrown eyes with light haircblue eyes with dark hairdblue eyes with light hair()3.what is the passage mainly about?agenes carry codes for eyes and hair.bgenes help make you who you are.cgenes help you be fast and strong.dgenes make brothers look similar.教师详解详析【课时分层训练】课内基础自测.1.generally2.repeat3.instructions4grandsons5.billions.1.except for2.not only; but also3in general4.is related to5.billions of