Unit 5 Lesson 29 DNA — The Story of You听力 完型改编模拟题（含答案，含听力原文及音频）冀教版英语九年级全册

Lesson 29 DNA — The Story of You听力+完型改编模拟题 一、听力部分及完形填空 听力短文 1 听力原文： When you build a house, you use a blueprint. What’s a blueprint In general, a blueprint is a drawing that shows how to put a house together with many different parts. DNA is the blueprint of life. But building a living thing is far more complex than building a house. It takes millions of years for nature to change the DNA in living things to make them fit the world they live in. How tall are you What colour are your eyes What size are your feet All these things are strongly influenced by your DNA before you are born! 相关问题及选项 Question 1: What is compared to a blueprint in the lesson A. A house B. DNA C. A drawing Question 2: What is a blueprint in general A. A living thing B. A drawing that shows how to put a house together with many different parts C. A part of DNA Question 3: How does building a living thing compare to building a house A. It's simpler B. It's far more complex C. It's the same Question 4: How long does it take for nature to change the DNA in living things to make them fit their world A. A few years B. Thousands of years C. Millions of years Question 5: What influences things like your height, eye colour and foot size before you are born A. Your lifestyle B. Your DNA C. Your environment 答案：(1) B (2) B (3) B (4) C (5) B 听力短文 2 听力原文： DNA is fantastic! Except for some twins, every living thing has its own unique DNA. Some health problems can be caused by problems in your DNA. Scientists can look for these problems and, sometimes, help you before you become sick. In the future, scientists might be able to change your DNA. There are copies of your DNA in every part of your body. For example, your finger has the same DNA as your hair. You have your own unique DNA, but it repeats patterns from your parents’ DNA. 相关问题及选项 Question 6: Which living things have unique DNA except for some A. Animals B. Plants C. Every living thing Question 7: What can some health problems be caused by A. Poor diet B. Problems in DNA C. Lack of exercise Question 8: What might scientists be able to do with DNA in the future A. Ignore it B. Change it C. Destroy it Question 9: Where can copies of your DNA be found in your body A. Only in your fingers B. Only in your hair C. In every part of your body Question 10: What does your DNA repeat patterns from A. Your friends' DNA B. Your parents' DNA C. Strangers' DNA 答案：(6) C (7) B (8) B (9) C (10) B 听力短文 3 听力原文： From your DNA, scientists can identify not only you, but also people who are related to you. Your parents and grandparents are related to you, and you have their DNA. When you have a grandson or granddaughter, he or she will have your DNA. Your DNA comes from your parents. Your DNA has billions of instructions that explain why you are the way you are. It’s one of the most amazing things on the earth! 相关问题及选项 Question 11: What can scientists identify from your DNA besi ... ...