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【判断题】
在数据库检索文献,必须选择合适的途径,比如选择标题或题名途径,表明你在后面输入的关键词在文章标题中出现符合要求的。()
A.
正确
B.
错误
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参考答案:
举一反三
【判断题】甚高频全向信标是一种工作在UHF频段的设备。( )
A.
正确
B.
错误
【单选题】妊娠期血容量达高峰的孕周是
A.
8~10周
B.
12~16周
C.
16~20周
D.
24~28周
E.
32~34周
【判断题】钱塘江潮被誉为“天下第一潮”
A.
正确
B.
错误
【单选题】11g技术,是我们现在使用的比较频繁的无线技术,它所工作的频段为()。
A.
2G频段
B.
2.4G频段
C.
5.4G频段
D.
5G频段
【单选题】With more andmore forests______ ,some animals and plants are facing the danger of dying out. damaged
A.
damaged
B.
being damaged
C.
to be
D.
damaging
【简答题】1) The construction of buildings and roads in the Yangtze basin is increasing at a staggering pace.2) The basin is now home to 400 million people With the average household in China consisting of fewe...
【单选题】妊娠期血容量达高峰的孕周是
A.
8~10周
B.
12~16周
C.
18~20周
D.
24~28周
E.
32~34周
【简答题】In a world with limited land, water and other natural resources ( 资源 ), the harm from the traditional business model is on the rise. Actually, the past decade has seen more and more forests disappeari...
【单选题】范例6 In a world with limited land, water and other natural resources, the harm from the traditional business model is on the rise. Actually, the past decade has seen more and more forests disappearing ...
A.
B.
C.
D.
D
【单选题】某机关单位的职工工资水平今年比去年提高了5%,职工人数增加了2%,则该机关单位的工 资 总额增长了
A.
10%
B.
7.1%
C.
7%
D.
11%
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