限磷代谢膳食中磷的供给量每天不超过（） A.150mg B.250mg C.350m 发布时间：2017-05-14 00:56 │ 来源：www.tikuol.com 题型：单项选择题 A型题 问题： 限磷代谢膳食中磷的供给量每天不超过（）A.150mgB.250mgC.350mgD.600mgE.800mg
题型：单项选择题 A型题 补全对话。A. Yes, I've got a map. B. Neither will I C. That's a good idea. D. Yes, that's right. E. What do you know about it? F. What kind of animal will we see there? G. What kind of animal do you like best?A: We have to meet the others at 8:30 at the reserve (自然保护区), don't we? B: 1 A: Do you know how to get there? B: 2 It will take us about two hours to get there by bus. A: 3 B: It's an area that protects lots of different animals. A: 4 B: I'm not really sure. I know there are many different kinds of birds there and I'm going to take my camera with me. A: 5 What clothes are you going to wear? B: Well, if it's wet, I will wear my strong shoes and take my raincoat with me. A: So will I. 查看答案
题型：单项选择题 A型题 对表面活性剂的HLB值表述正确的是A．表面活性剂的HLB值反应其在油相或水相中的溶解能力B．表面活性剂的CMC越大其HLB值越小C．离子型表面活性剂的HLB值具有加和性D．表面活性剂的亲油性越强其HLB值越大E．表面活性剂的亲水性越强，其HLB值越大 查看答案
题型：单项选择题 A型题 有三种金属元素a、b、c，在相同条件下，b的最高价氧化物的水化物的碱性比a的最高价氧化物的水化物的碱性强；a可以从c的盐溶液中置换出c。则这三种金属元素的金属性由强到弱的顺序是[ ]A．a、b、cB．b、a、c C．b、c、a D．c、b、a 查看答案