真核生物mtRNA聚合酶的抑制剂是()。 A.干扰素 B.利福平 C.真菌二类萜烯 发布时间:2017-09-11 16:06 │ 来源:www.tikuol.com 题型:单项选择题 B1型题 问题: 真核生物mtRNA聚合酶的抑制剂是()。A.干扰素B.利福平C.真菌二类萜烯D.利福霉素E.链霉素
题型:单项选择题 B1型题 完形填空。 The marathon is a popular Olympic event. It is a very 1 race — 42.2 kilometers, and good 2 finish it in about two hours. Marathon is the name of a place in Greece. There is an old 3 about an important battle (战斗) at Marathon 2500 years 4 . The Greeks won the battle and their leader(领袖) was very excited. He shouted, "We must 5 a message to Athens(雅典) at once. It's a long way to Athens. 6 can take our message home to our people?" Pheidippides said, "I can! I want to do it. I can run 7 than all the other men!" Pheidippides ran as fast as he could to Athens. He shouted the 8 news to the Athenians, "We won! We won the battle!" Then he 9 to the ground. He was too tired and died. He was the 10 "Marathoner". ( )1. A. dangerous ( )2. A. players ( )3. A. subject ( )4. A. ago ( )5. A. answer ( )6. A. What ( )7. A. slower ( )8. A. good ( )9. A. jumped ( )10. A. last B. interesting B. runners B. result B. before B. give B. Who B. higher B. sad B. went B. first C. short C. doctors C. story C. after C. bring C. Where C. further C. lucky C. fell C. best D. long D. workers D. book D. later D. send D. When D. faster D. safe D. moved D. real 查看答案
题型:单项选择题 B1型题 题基于以下题干:陈教授:中世纪初欧洲与东亚之间没有贸易往来,因为在现存的档案中找不到这方面的任何文字记录。李研究员:您的论证与这样一个论证类似:传说中的喜马拉雅雪人是不存在的,因为从来没有人作证亲眼看到过这种雪人。这一论证的问题在于:有人看到雪人当然能证明雪人存在,但没人看到不能证明雪人不存在。以下哪项最为准确地概括了李研究员所要表达的结论?()A.断定中世纪初欧洲与东亚之间存在贸易往来,和断定存在喜马拉雅雪人一样,缺少科学的证据。B.尽管缺少可靠的文字记录,但中世纪初欧洲与东亚之间非常可能存在贸易往来。C.不同内容的论证之间存在可比性。D.不能简单地根据缺乏某种证据证明中世纪初欧洲与东亚之间有贸易往来,就说这种贸易往来不存在。E.证明事物不存在要比证明它存在困难得多。 查看答案
题型:单项选择题 B1型题 我国教育目的的基本特征有别于其他社会制度,概括起来有以下几方面()。A.社会主义制度下的学生都可以获得全面发展B.以马克思主义的全面发展学说为指导思想C.教育目的有鲜明的政治方向D.坚持全面发展与个性发展的统一 查看答案