【简答题】设二进制码元速率为 ,N进制码元速率为 ,且有 (k为自然数),则 和 的关系为 。
【单选题】As unemployment began to ______, it may also have been true that those who were the first to be made redundant or were turned down for work were those who were least efficient.
【单选题】“诚招天下客,誉从信中来。经商信为本,买卖礼在先。”这句谚语包含的经济道理是( )。 ①企业经营者应注意企、业的信誉和形象,以诚信求发展 ②只要企业注重产品质量,就能在竞争中立于不败之地 ③企业经营者应努力提高自身素质,面向市场公平竞争 ④企业要注意搞好售后服务,以优质服务吸引顾客,扩大销售
【判断题】由紧急停止开个触发安全链时,只能手动复位。( √ )
【单选题】— I' m surprised to hear that Sue and Paul have _____. — So am I. They seemed very happy together when I last saw them. [ ]
【单选题】Which of the following is a drawback of government intervention?
A.
It may invite retaliation and trigger a trade war.
B.
The policies may be captured by foreign investors and turned to their advantage.
C.
Despite being well-executed, the intervention is unlikely to work.
D.
The usually establish new tariff levels on technology—to the detriment of all in the industry.
【单选题】“诚招天下客,誉从信中来。经商信为本,买卖礼在先。”这一谚语包含的经济学道理是______。
A.
企业经营者,应注意企业的信誉和形象,以诚信求发展
B.
只要企业注重产品质量,就能在竞争中立于不败之地
C.
企业经营者应努力提高自身素质,面向市场公平竞争
D.
企业经营要搞好集中服务,以优质服务吸引顾客,扩大销售
【单选题】---- I' m surprised to hear that Sue and Paul have __ . ----So am I. They seemed very happy together when I last saw them.
【简答题】My name is Gina. I have two good friends, Linda and rose. Rose and I are twelve. Linda is eleven. My birthday is November 10th. Rose's birthday is September 12th. And Linda's birthday is January 17th....