Unit 2 Cloning第一节：语法填空Cloning is a way of 1._ (make) an exact copy of another animal or plant. 2._ has two major uses. One is 3._ gardeners use it to produce commercial quantities of plants. The 4._ is that it is valuable for research on new plant species and for medical research on animals. 5._, the process of cloning is difficult 6._(undertake).Many attempts to clone mammals failed. The first successful clone, Dolly the sheep, made the whole 7._(science) world follow its process, though it had more problems than the normal sheep. On the other hand, Dollys appearance 8._(raise) a storm of objections and had a great impact 9._ the media and public imagination. Different people have different opinions of it. However, scientists still wonder whether cloning will help or harm us and 10._ it is leading us.第二节：短文改错The possibility of cloning fierce and extinct wild animals have always excited film makers. And they are not the only one. The popularity of the film Jurassic Park proves how interesting ordinary people are in the subject. It is a film in that a scientist clones several kind of extinct dinosaurs. In fact, we are long way from being able to clone extinct animals. From time to time people suggest that the animals that have disappeared from the earth, can be brought back to the life through cloning. Unfortunately, based on what we know, it is possible. So dinosaurs returned to the earth is merely a dream.第3节 ：七选五 (2017届湖北省联考)One very important component of optimism is gratitude or feeling grateful. In fact, there is a strong connection between a grateful attitude and a heightened sense of well-being. Appreciate all the positives in your life by starting a gratitude journal in order to remember what youre grateful for. 36 .Feeling down? Instead of feeling sorry for yourself waiting for the universe to throw you a bone, try acting like youre happy-even if you are not. A sincere smile and a forced smile will cause the same chemical reactions in your brain, so you can actually fool your mind into feeling better by making it react chemically as if things were going well. 37 Reassure(使安心) yourself that everything is good even if you dont feel it.“_38_ If youre stuck in traffic, then everything else must be going horribly too,” says Anne Parker, a wellness counselor. By blowing negative events out of proportion, youre setting yourself up for feeling down all day. Instead, acknowledge that youre stuck in traffic, but also bring to mind something good, like the beautiful scenery outside the window. That way, youll get in the habit of forbidding negative circumstances from blanketing your whole day.Swearing to lose 20 pounds or to run a marathon seems like goals leading to happiness, but they take time to achieve. _39_ You may even end up admitting that you have been defeated. However, if you focus on the small milestones that occur along the way, you will feel positive about your progress, which will give you the strength to keep going._40_ Try making someone elses day better. A report by United Healthcare and Volunteer Match found that volunteers are 72 % more likely to characterize themselves as optimistic compared with non-volunteers. Plus, 89% of volunteers say that volunteering has improved their sense of well- being, and 92% say that it enriches their sense of purpose in life.A. Want to give your attitude a lift?B. Try to help someone in need.C. Act in an optimistic way-smile, laugh, tell a joke.D. People tend to think in an either-or way.E. By remembering the pleasant things in your life, you can actually turn a negative attitude around.F. By focusing on not having accomplished them yet, you will start to feel down on yourself.G. Youll fail to appreciate more important things in your life. 第四节：阅读理解（2013年山东卷）Jimmy is an automotive mechanic, but he lost his job a few months ago. He has good heart, but always feared applying for a new job. One day, he gathered up all his strength and decided to attend a job interview. His appointment was at 10 am and it was already 8:30. While waiting for a bus to the office where he was supposed ot be interviewed, he saw an elderly man wildly kicking the tyre of his car. Obviously there was something wrong with the car. Jimmy immediately went up to lend him a hand. When Jimmy finished working on the car, the old man asked him how much he should pay for the service. Jimmy said there was no need to pay him; he just helped someone in need, and he had to rush for an interview. Then the old man said, “Well, I could take you to the office for your interview. Its the least I could do. Please. I insist.” Jimmy agreed. Upon arrival, Jimmy found a long line of applications waiting to be interviewed. Jimmy still had some grease on him after the car repair, but he did not have much time to wash it off or have a change of shirt. One by