主页
学科
搜索
账户
常见问题
当前学科:光纤数字通信调试工考试
题目:
单选
PDH欧洲标准的二次群到三次群是()倍的复用关系。
A . A.4
B . B.5
C . C.6
D . D.7
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
Majored Finance An increase in students (11)to study economics at university is being attributed to (归因于)the global economic crisis awakening a public thirst for knowledge about how the(12)system works. Applications for degree courses beginning this autumn were up by 15% this January, according to UCAS, the Universities and Colleges Admissions Service. A(13)for the Royal Economic Society said applications to do economics at A-level were also up. Professor John Beath, the president of the society and a leading lecturer at St Andrews University, said his first-year lectures—which are open to students from all departments—were (14)crowds of 400, rather than the usual 250. "There are a large number of students who are not (15)majors, who would like to learn something about it. One of the things I have done this year is to relate my teaching to contemporary (16)in a way that one hasn't traditionally done," he added. University applications rose 7% last year. But there were rises above average in several subjects. Nursing saw a 15% jump, with people's renewed interest in (17)in the public sector (部门) ,which are seen as more secure in economic crisis. A recent study showed almost two thirds of parents (18)schools should do more to teach pupils about financial matters, and almost half said their children had asked them what was going on, although a (19)of parents felt they did not understand it themselves well enough to explain. Zack Hocking, the head of child trust funds, said: "It's possible that one good thing to(20)from the downturn will be a generation that's financially wiser and better equipped to manage their money through times of economic uncertainty." 18.()
为保持病室安静应()
旧约经文中有六个大字是什么?
下述氨基酸中除哪种外,都是生糖氨基酸()。
承包人应在收到劳务分包人递交的结算资料后()d内进行核实,给予确认或者提出修改意见。
惰性气体中氩气在空气中的比例最多,按体积约占空气的()
38岁男性患者,因进行性消瘦伴体位性头晕,饭前经常心悸,手抖就诊,既往结核病史(-)。查体消瘦,皮肤色素沉着,BP78/50mmHg,血糖3.0mmol/L,抗。肾上腺抗体(-),皮质醇72mmol/L(正常165~441mmol/L)。为进一步鉴别原发性或继发性肾上腺皮质功能减退,下述检查最有意义的是()。
按照企业所得税法相关规定,以下属于需专项申报的资产损失的是()。
简述市场机制及其内容?
组织的生存依赖于它们的客户,因此应当理解客户当前和未来的需求,并能满足客户的需求,且极力设法超越客户的期望,这种质量管理原则是()。