主页
学科
搜索
账户
常见问题
当前学科:情报检索学
题目:
单选
“文章草稿”、“私人笔记”及“会议记录”属于()。
A . 零次文献
B . 一次文献
C . 二次文献
D . 三次文献
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:
当遇到较陡的下坡或坡面很滑的斜坡,行走困难时,宜采用()。
拔除上颌尖牙,其腭侧需阻滞()。
小麦主要害虫有小麦吸浆虫、小麦蚜虫、()等。
影响知觉准确性的因素可以大致归为三个方面:()、()、知觉环境的特点。
财务报表分析的基础是()。
患者,女,32岁。素有心悸、心慌。2天前不慎受凉,出现头痛、发热、恶寒、微汗,脉浮缓而结代。用药应首选的是()。
时间取样观察法有哪些基本要求?
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." 19.()
乘坐出租车要在车停稳后从()门下车。
大多数油冷压缩机中的所有润滑油,以周期为()min高的循环速度反复地被加热、冷却。