______是生物体结构和功能的基本单位.动植物细胞在基本结构方面的主要区别是动 发布时间:2017-05-18 13:35 │ 来源:www.tikuol.com 题型:填空题 问题: ______是生物体结构和功能的基本单位.动植物细胞在基本结构方面的主要区别是动物细胞不具有______、______和液泡.
题型:填空题 程序化交易因其特色鲜明而越来越引起期货市场的广泛关注。在设计程序化交易系统时,正确的做法是()。A.交易系统的统计检验先于外推检验B.交易系统的实战检验先于统计检验C.检验系统的盈利能力采用统计检验D.检验系统的稳定性采用实战检验 查看答案
题型:填空题 Overweight has been a great concern for some people. In an attempt to keep normal weight, people have 48 tried various methods. Nevertheless, not all the ways are 49 when it comes to health. For weight loss, many people 50 the high-protein, low-carbohydrate(碳水化合物)diets. However, such diets might have 51 harmful long-term effects on the colon (结肠), a small study indicates.On average, the study found when the men were on the high-protein diets, they had higher levels of substances known as N-nitrous compounds that have been 52 cancer. And when they were on the high-protein, low-carbohydrate diet, they had lowered amounts of fiber-originated compounds thought to be protective against 53 .The findings 54 that people should be aware of consuming too much protein and too little fiber over a long period. In general, experts 55 that adults get about 28 grams of fiber per day though—it’s not known whether that’s enough for someone on a high-protein weight-loss diet. 小题1:A.successfullyB.painfullyC.occasionallyD.immediately小题2:A.helplessB.cheapC.uselessD.beneficial小题3:A.make upB.come acrossC.turn toD.get on小题4:A.potentiallyB.additionallyC.frequentlyD.definitely小题5:A.taken fromB.linked toC.held upD.based on小题6:A.healthB.dietC.cancerD.protein小题7:A.hopeB.acceptC.suggestD.doubt小题8:A.recommendB.offerC.demandD.agree 查看答案
题型:填空题 火电厂主厂房到网络控制楼或主控制楼的每条电缆隧道或沟道所容纳的电缆回路,应满足下列哪些规定()。A、单机容量为200MW及以上时,不应超过1台机组的电缆B、单机容量为100MW及以上且200MW以下时,不宜超过2台机组的电缆C、单机容量为100MW以下时,不宜超过3台机组的电缆D、当不能满足上述要求时,应采取防火分隔措施 查看答案