环磷酰胺抗肿瘤作用特点是()。A．在体内外均有活性 B．在体内代谢为醛磷酰胺后有抗肿 发布时间：2017-12-26 19:45 │ 来源：www.tikuol.com 题型：单项选择题 问题： 环磷酰胺抗肿瘤作用特点是()。A．在体内外均有活性B．在体内代谢为醛磷酰胺后有抗肿瘤作用C．在体外有抑杀癌细胞作用D．干扰转录过程E．干扰有丝分裂
题型：单项选择题 丙企业生产一种先进的模具产品，按照国家相关规定，该企业的这种产品适用增值税先征后返政策，即先按规定征收增值税，然后按实际缴纳增值税税额返还70%。2010年1月，该企业实际缴纳增值税税额200万元。2010年2月，该企业实际收到返还的增值税税额140万元。丙企业2010年2月份正确的做法是()A.确认营业外收入200万元B.确认营业外收入140万元C.确认递延收益200万元D.确认递延收益140万元 查看答案
题型：单项选择题 阅读理解。 My father often works very hard. And he doesn't often go to the 1 . Here I will tell you a 2 story about him. One afternoon, he 3 a ticket for the 7 o'clock film under the glass on his desk. He thought he happened to (碰巧) 4 work to do that evening and it was quite wonderful to pass the evening at the cinema. He came back home at 6:30 and 5 finished his supper. Then he said good.bye and left. But to our surprise, he came back about half an hour later. I asked what was the matter. He smiled and told us about what had happened. 6 my father was sitting in his seat,a woman came and said that the seat was hers. My father was surprised. He 7 the ticket and looked at it carefully. It was Row 17, Seat 3.And then he looked at the seat. It was the same. 8 he asked the woman to have a careful look at her ticket again and to their surprise the seat shown on it was Row 17, Seat 3, too. Why? What's the matter? While they were wondering, suddenly the woman said, "The colors of the tickets are 9 . "They looked at the tickets more carefully. After a while my father said, "Oh, I'm 10 . My ticket is for the film a month ago!" ( )1. A. office ( )2. A. funny ( )3. A. bought ( )4. A. much ( )5. A. quietly ( )6. A. Before ( )7. A. handed out ( )8. A. But ( )9. A. different ( )0. A. sorry B. cinema B. sad B. put B. some B. quickly B. When B. put out B. Or B. the same B. happy C. centre C. bad C. found C. a little C. suddenly C. Because C. found outC. So C. red C. busy D. club D. lucky D. left D. little D. finally D. Unless D. took out D. And D. pink D. excited 查看答案
题型：单项选择题 马克垚在《世界文明史》中认为民主政治有“原则民主和程序民主”。原则民主指的是一种把民主当做自由和平等这两大人类核心价值的体现而加以赞美的态度。程序民主指的则是一种把民主当做治理人类社会的最好手段来予以认同的态度。根据上述观点，美国1787年宪法应该是[ ]A．更集中体现原则民主B．更集中体现程序民主C．原则民主高于程序民主D．既非原则民主也非程序民主 查看答案
题型：单项选择题 （一）阅读《庄子秋水》中的一段文字，然后回答21~23小题。 秋水时至，百川灌河。泾流之大，两涘渚崖之间，不辩牛马。 于是焉河伯欣然自喜，以天下之美为尽在己。顺流而东行，至于北海。东面而视不见水端。于是焉河伯始旋其面目，望洋向若而叹曰：“野语有之曰：’闻道百，以为莫己若者’，我之谓也。且夫我尝闻少仲尼之闻而轻伯夷之义者，始吾弗信；今我睹子之难穷也，吾非至于子之门则殆矣，吾长见笑于大方之家。”河伯心态的变化说明了什么道理？（2分） 查看答案