下列哪项叙述与氮芥类抗肿瘤药无关（） A.作用机制是干扰肿瘤细胞代谢 B.分子中有烷 发布时间：2020-06-11 00:33 │ 来源：www.tikuol.com 题型：单项选择题 A1/A2型题 问题： 下列哪项叙述与氮芥类抗肿瘤药无关（）A.作用机制是干扰肿瘤细胞代谢B.分子中有烷基化部分C.载体部分可提高药物选择性D.作用机制是烷化作用E.脂肪族氮芥在体内生成乙撑亚胺
题型：单项选择题 A1/A2型题 最近披露的兰州水污染事件，水中苯的含量超标竟达20倍，再次给人们敲响了用水安全的警钟．下列有关说法中错误的是（ ）A．水污染与人类活动无关B．电解水实验证明水是由氢、氧两种元素组成的C．用肥皂水可以区分软水和硬水D．可以用pH试纸测定河水的酸碱度 查看答案
题型：单项选择题 A1/A2型题 New tectmology links the world as never before. Our planet has shrunk. It’s now a "global village" where countries are only seconds away by fax or phone or satellite link. And, of course, our ability to benefit from this high-tech communications equipment is greatly enhanced by foreign language skills. Deeply involved with this new technology is a breed of modem business people who have a growing respect for the economic value of doing business abroad. In modem markets, success overseas often helps support domestic business efforts. Overseas assignments are becoming increasingly important to advancement within executive ranks. The executives stationed in another country no longer need fear being "out of sight and out of mind." He or she can be sure that the overseas effort is central to the company’s plan for success, and that promotions often follow or accompany an assignment abroad. If an employee can succeed in a difficult assignment overseas, superiors will have greater confidence in his or her ability to cope back in the United States where cross-cultural considerations and foreign language issues are becoming more and more prevalent. Thanks to a variety of relatively inexpensive communications devices with business applications, even small businesses in the United States are able to get into international markets. English is still the international language of business. But there is an ever-growing need for people who can speak another language. A second language isn’t generally required to get a job in business, but having language skills gives a candidate the edge when other qualifications appear to be equal. The employee posted abroad who speaks the country’s principal language has an opportunity to fast forward certain negotiations, and can have the cultural insight to know when it is better to move more slowly. The employee at the home office who can communicate well with foreign clients over the telephone or by fax machine is an obvious asset to the firm.What is the author’s attitude toward high-tech communications equipment A．Critical.B．Prejudiced.C．Indifferent.D．Positive. 查看答案
题型：单项选择题 A1/A2型题 简要病史：女性，27岁。争吵后被发现意识不清伴呕吐2小时，呕吐物有大蒜气味急诊入院。要求：你作为住院医师，请围绕以上简要病史，写出应该询问的患者现病史及相关病史的内容。 查看答案