主页
学科
搜索
账户
常见问题
当前学科:机电工程管理与实务
题目:
单选题
高压电器及成套装置的性能由其在()中所起的作用来决定。
A
电路
B
保护
C
供电
D
通断
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:
党的基层组织的任期是怎样规定的?
斜Y形坡口焊接裂纹试验的试件中间试验焊缝长度为()。
扩张型心肌病临床表现没有下列哪项:()
In every cultivated language, there are two great classes of words which, taken together, comprise the whole vocabulary. First, there are those words(1)which we become acquainted in daily conversation, which we(2),that is to say, from the(3) of our own family and from our familiar associates, and(4) we should know and use (5 )we could not read or write. They (6) the common things of life, and are the stock in trade of all who (7) the language. Such words may be called“popular”, since they belong to the people (8) and are not the exclusive (9) of a limited class. On the other hand, our language (10) a multitude of words which are comparatively (11) used in ordinary conversation. Their meanings are known to every educated person, but there is little (12) to use them at home or in the market-place. Our (13) acquaintance with them comes not from our mother's (14) or from the talk of our school-mates, (15) from books that we read, lectures that we (16) ,or the more (17)conversation of highly educated speakers who are discussing some particular (18) n a style appropriately elevated above the habitual(19) f everyday life. Such words are called“learned”, and the (20) between them and the“popular”words is of great importance to a right understanding of linguistic process. 请在14处填上正确答案()
安装在室外的塔器,都承受操作压力、自重、()及地震载荷的作用。
卡线器规格、材质应与线材的()、()相匹配。
检波器使用中应注意什么?
急性局限性前壁心肌梗死。心电图特征性改变见于哪组导联()。
开展新的社会阶层人士统战工作要以()为纽带,以社区为依托,以网络为媒介,以()为抓手,寓统战工作于各类活动之中。
骨髓铁染色,细胞内铁降低见于()