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【单选题】
广义上的指数是指()
A.
价格变动的相对数
B.
物量变动的相对数
C.
动态的各种相对数
D.
简单现象总体数量变动的相对数
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【简答题】If the impact factor of a journal in 2017 is 1.5 and there are 2000 articles published on this journal from 2015 to 2016, these articles have been cited for totally (number)times in 2017.
【简答题】Sam has been a (1) for (2) years. He has done everything from (3) to (4) work. He has also done (5) work and now he is (6). Sam thinks (7) is a very stressful job, but it depends on the assignment on...
【单选题】“塞翁失马,焉知非福”、“吃一堑,长一智”,这些俗语说明的是( )
A.
不要满足于一时的得
B.
不要惧怕一时的失
C.
不要拘泥于个人利益的得失
D.
幸福都是奋斗出来的
【判断题】The influence of an author’s journal articles can be evaluated by the impact factor(IF).
A.
正确
B.
错误
【单选题】基站通信电源停电检修时,应()
A.
先停低压,再停高压
B.
先停高压,再停低压
C.
先断负荷开关,后断隔离开关
D.
先断隔离开关,后断负荷开关
【简答题】“吃一堑,长一智”,“塞翁失马,焉知非福”,根据这些说法谈谈正确的得失观应该是怎样的?
【单选题】当要传播的信号频率在30兆赫兹以上时,必须使用()方式
A.
直线
B.
天波
C.
地波通信
D.
水波
【简答题】Part 1: Paras. 1-7 The enormous 1 of emojis One of the biggest communication 2 An 3 role in our online communication Part 2: Paras. 4 The detailed 5 of emojis In Japan in the late 1990s Quickly surp...
【简答题】卫生间防水的处理方式
【判断题】Watch the video clip carefully and decide whether the following statements are True of False. unit 7 part 7.mp4 1. The biggest organ in the human body is skin.
A.
正确
B.
错误
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