题型:阅读理解 题类:常考题 难易度:普通
黑龙江省哈尔滨市第六中学2018-2019学年高二下学期英语6月阶段性测试卷
After photographer Monni Must's daughter Miya died, the sad mother adopted her black dog, Billy Bean. As Billy became increasingly weak, the thought of its dying was just more than Must could handle. So she decided to clone the dog. “I feared everyone was going to forget Miya," she said, "and my other daughters thought I had completely lost my mind."
Billy's cells were shipped to ViaGen Pets, a Texas company that provides the cloning service. With more than $50,000, Must picked up a new puppy. "The dog has a real soul and is everything my daughter was—fun, social and kind," she said. "I feel that I still have that touchable connection and not just a spiritual connection.”
Cloning animals is hardly new. But the recent news that singer Barbra Streisand had cloned her dog grabbed international headlines. People for the Ethical Treatment of Animals(PETA) president Ingrid Newkirk issued a statement saying she would love to talk her out of cloning, noting that millions of wonderful dogs are getting old in animal shelters every year or dying in terrifying ways when abandoned.
Normally, a doctor takes a tissue biopsy(组织活检), a piece of skin and muscle about the size of a pencil eraser, from the dog. The next step is to take an egg cell from a donor dog, remove the egg's nucleus, and insert DNA from the pet to be cloned. When an embryo(胚胎)develops, it is transplanted in the body of a mother dog.
In the basic cloning procedure, scientists take an entire adult cell and put it into an egg that's been relieved of its own DNA. The resulting embryo is a clone. However, in many animals, only one in 100 cloned embryos ever leads to a live birth. Some embryos die in the IVF dish or in the mothers bodies. Of those that are born, a few suffer from abnormalities and quickly die. Besides, pet cloning doesn't mean copying everything of your beloved pets.
Learning English is challenging because of the various rules and exceptions to the rules. The best way to learn English is to hear it spoken and repeat the words as you hear them. {#blank#}1{#/blank#}You will learn how to make English a daily part of your life in order to learn to speak it quickly.
{#blank#}2{#/blank#} Ask a friend to help you write letters of English alphabet on index cards. You should write a letter on each card. Practise the letters by mixing up the cards and saying the letters. You can ask your friend to help you pronounce the letters and quiz you on your knowledge.
Make your own videos in English. If you have a video camera, you can tape yourself speaking English and practice along with your own video. {#blank#}3{#/blank#} Watch your videos daily, and repeat what is being said.
Get a private tutor. A professional English instructor can give you one-on-one instruction that will help you understand the rules of English. Your instructor can teach you how to write and speak English. {#blank#}4{#/blank#} You can also inquire at your local community college.
Watch movies with English subtitles. When watching a movie in your native language, use the English subtitles so you will understand the connection between your language and English.
{#blank#}5{#/blank#} You will make mistakes, and that is OK. You need to practice English as much as possible in order to quickly learn to speak the language fluently.
A. Learn the English alphabet. B. Use every opportunity to speak English. C. You can subscribe some English magazines to learn English. D. Constant repetition is the key to remembering words in English. E. If you have any difficult points, you can consult your dictionary at any time.. F. You can find an English tutor by placing an advertisement in your local newspaper. G. You can make a play in which you and a friend are having a simple conversation in English. |
试题篮