与有机磷农药毒作用机制类似的农药是A.氨基甲酸酯类 B.拟除虫菊酯类 C.有机氯 D 发布时间:2017-06-22 08:53 │ 来源:www.tikuol.com 题型:单项选择题 问题: 与有机磷农药毒作用机制类似的农药是A.氨基甲酸酯类B.拟除虫菊酯类C.有机氯D.有机汞E.有机砷
题型:单项选择题 完形填空。 On Christmas Eve, the Woods, an English couple, received a very unusual telephone call. Although it 1 only twenty seconds, it was from their fifteen-year-old daughter who disappeared six months before. "I'm phoning to 2 you a happy Christmas," she said."I love you." The Woods were so happy that they started a 3 telephone service called"Alive and Well". The service 4 parents to keep in touch with children who have run away from home. Young people can phone "Alive and Well" and leave a 5 for their parents. The 6 are answered by answering machines. 7 no one spoke to the child or make them 8 home. Parents of runaway children who are under eighteen can ask the 9 to bring their children home. So children do not want to tell their parents 10 they are. Through"Alive and Well" they can telephone their parents without 11 about letting their parents know their address. The Woods and their helpers 12 the telephone messages which are recorded by the tape and get in touch with the 13 . Many of the 30,000 British children who have left home are 14 in London. For only two pence they can go into a telephone box and 15 their parents. They can dial 756-7556 and stop their parents' worry. Is he dead or alive? ( )1. A. started ( )2. A. wish ( )3. A. strange ( )4. A. stops ( )5. A. letter ( )6. A. parents ( )7. A. So ( )8. A. miss ( )9. A. friends ( )10. A. who ( )11. A. worrying ( )12. A. give away ( )13. A. church ( )14. A. always ( )15. A. miss B. ended B. tell B. terrible B. imagines B. message B. machines B. But B. leave B. police B. how B. thinking B. write down B. school B. also B. watch C. sounded C. expect C. special C. helps C. number C. questions C. If C. return C. grandparents C. what C. caring C. keep out C. police station C. never C. call D. lasted D. make D. popular D. hopes D. surprise D. telephones D. Because D. stay D. teachers D. where D. complaining D. call up D. address D. probably D. kiss 查看答案
题型:单项选择题 2013年以来,人民币对美元汇率不断变化。请根据材料回答题。日期人民币汇率中间价2013.4.226.24152013.7.246.16952013.10.256.1333小题1:根据上表汇率的变化趋势可以得出 A.外汇汇率升高,美元升值,人民币贬值 B.人民币汇率跌落,美元贬值,人民币升值C.外汇汇率跌落,美元贬值,人民币升值 D.人民币汇率升高,美元升值,人民币贬值小题2:汇率的这种变化,对我国经济和人民生生活将会产生以下影响 ①会影响中国的出口市场 ②不利于偿还外债③吸引外商在我国投资 ④出口企业经济发展方式的转变 A.①③B.①④C.②③D.②④ 查看答案
题型:单项选择题 下列说法中,符合奉献精神要求的是()A.多奉献实质上能赢得更多锻炼和成长的机会B.奉献是相互的,自己是否奉献要取决于对方的态度C.讲求奉献是给别人施以恩惠,这有助于建设和谐社会D.奉献是企业和员工立足社会的道德资本 查看答案
题型:单项选择题 如果某药物的血浓度是按零级动力学消除,这就表明A.继续增加摄入量,血药物浓度也不会再增加B.不论给药速度如何,药物消除速度恒定C.t1/2是不随给药速度变化的恒定值D.药物的消除主要靠肾排泄E.药物的消除主要靠肝代谢 查看答案
题型:单项选择题 对任意两个不同的自然数,将其中较大的数换成这两数之差,称为一次变换。如对18和42可进行这样的连续变换:18,42→18,24→18,6→12,6→6,6。直到两数相同为止。问:对12345和54321进行这样的连续变换,最后得到的两个相同的数是几( )A.3B.12C.121D.24 查看答案