freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

unit2cloning單元測試人教版選修8-閱讀頁

2024-12-29 11:10本頁面
  

【正文】 is largely dependent on experiences.”可知,應(yīng)選 C。s nothing more than a fiction. But could we really clone endangered animals? To date, the most successful attempt to do so was the cloning of a gaur, a rare ox like animal from southeast used a cow to bring the cloned baby gaur, named Noah. Two days after birth, however, Noah died from a mon bacterial infection. Other endangered species that may be cloned include the African bongo antelope (邦戈羚羊 ), the Sumatran tiger, the cheetah (獵豹 ), and the giant panda. Next, could we really clone extinct animals? In theory? Yes. To do this, you need a well kept source of DNA from the extinct animals such as wool mammoth (毛象 ), Tasmanian tiger, or even dinosaur, and a closely related species, still living, which could serve as a surrogate_mother. In reality? Probably not. On the one hand, it39。 DNA could survive undamaged for such a long time. Cloning extinct animals as wool mammoth, Tasmanian tiger, or dinosaur is much more difficult due to the lack of properly well preserved the other hand, for example, a gaur can have a cow as a_surrogate_mother,_definitely not a monkey. But what about an extinct animals as unique as the panda? What species could possibly serve as a surrogate mother? Cloning presents many exciting possibilities. However, even if extinct animals are brought back, they could not survive in today39。 答案 B 45. The underlined words “a surrogate mother” probably refer to a female who________. A. gives birth to a baby of its own B. cannot give birth to a baby C. gives birth to a baby for another female D. provides DNA 解析 由 and a closely related species(和一種極其相近的物種 ),可知。 答案 C 46. The difficulty in cloning an extinct species is the lack of________. A. both the well preserved DNA and a surrogate mother B. both the habitat to live in and the well preserved DNA C. both the well preserved DNA and plants to live on D. both the habitat to live in and plants to live on 解析 由 much more difficult due to the lack of properly well preserved DNA.(要更加困難,由于缺乏完好的妥善保存的 DNA。 答案 A 47. In the author39。s world.(即使滅絕的動(dòng)物能夠被克隆回來,他們也無法在現(xiàn)今的世界中存活 )可知。從文中第二段可推出。本篇文章是關(guān)于克隆食物的安全問題的報(bào)道。從 “The Food and Drug Administration says meat and milk from clones of adult cattle, pigs and goats are safe to eat....”可知。從最后一段 “If the process is successful, the pregnancy reaches full term and a geic copy of the donor animal is born.”可知答案。s birthday! ” And then Sasha added, “ Plus, we have a three day weekend ing up.” So it39。ve been honored by this prize—men and women who39。s also been used as a means to give momentum to a set of that is why I will accept this award as a call to action—a call for all nations to confront the mon challenges of the 21st century. These challenges can39。s why my administration has worked to establish a new era of engagement in which all nations must take responsibility for the world we cannot tolerate a world in which nuclear weapons spread to more nations and in which the terror of a nuclear holocaust endangers more that39。ve begun to take concrete steps to pursue a world without nuclear weapons, because all nations have the right to pursue peaceful nuclear power, but all nations have the responsibility to demonstrate their peaceful intentions. We cannot accept the growing threat posed by climate change, which could forever damage the world that we pass on to our children—sowing conflict and famine;destroying coastlines and emptying that39。t allow the differences between peoples to define the way that we see one another, and that39。s kids were excited at the Nobel Peace Prize. 解析 推理判斷題。 ” 可推斷出她們在聽到此消息時(shí)是心情激動(dòng)的。s point, all nations confront the mon challenges of the 21st one is NOT included? A. Nuclear weapons. B. Climate change. C. Racial discrimination. D. Conflicts between countries. 解析 細(xì)節(jié)理解題。 答案 C 54. The growing threat—climate change could cause much one is NOT caused by it? A. Increasing the global financial crisis. B. Sowing conflict and famine. C. Destroying coastlines. D. Emptying cities. 解析 細(xì)節(jié)理解題。 答案 A 55. We can infer from the last paragraph that ________ is true. A. all nations have united to resolve the conflicts between countries B. all nations have had an unwavering mitment to resolve the conflicts C. all Israelis and Palestinians now live in peace and security in nations of their own D. all Israelis and Palestinians are now in conflict with each other 解析 從最后一段的后半句 “?? 最終實(shí)現(xiàn)所有以色列人和巴勒斯坦人在他們自己的國家里和平安全地生活的權(quán)利。 答案 D 四、寫作 (共兩個(gè)寫作任務(wù),滿分 35分 ) 寫作 一 (滿分 15分 ) 進(jìn)入高三以后,大部分同學(xué)覺得時(shí)間緊了,學(xué)習(xí)任務(wù)重了,所以有些同學(xué)課間十分鐘休息時(shí)間也在看書做題,請你以 為題,用英語寫一篇短文, 描寫這一現(xiàn)象并談?wù)勛约旱目捶ê妥龇ā? ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 【參考范文】 As a Senior Three student, time seems very a result, more and more students try to study from early morning till late afternoon, even during the ,definitely we will feel tired both physically and mentally. we need is to have a real rest, instead of getting more doing nothing tiring is really good for us. Sometimes I take some simple I have a small talk with my classmates or just take a walk , I like looking at green trees out of the window, doing will help to relax the next class begins I feel refreshed again. 寫作二 (滿分 20分 ) 假定你是李華,你的一位美國朋友 Jane 在中國學(xué)習(xí)中文兩年,即將回國。 注意: 80; 2.可適當(dāng)加入細(xì)節(jié),以使行文連貫; 3.開頭已為你寫好,不計(jì) 入總詞數(shù)。ll always remember the wonderful time we spent together. It39。ll have dinner the way, you may take Bus in f
點(diǎn)擊復(fù)制文檔內(nèi)容
教學(xué)課件相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖鄂ICP備17016276號(hào)-1