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【单选题】
利用互联网进行网上调研收集信息,可以有效地对采集信息和质量,实施系统的检验和控制,属于网络调研的( )特征。A.
共享性和时效性
B.
可检验性和可控制性
C.
便捷性和经济性
D.
交互性和客观性
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皮皮学刷刷变学霸
举一反三
【简答题】It was through John ________ I got to
know Mike a few years ago.A. who B. whom C. how D. that
【简答题】words test 一、填空题 1、 He has a special feeling for the brilliant birds,and each spring he eagerly ______ their return. Thanks to the ______ of air transport,everyone is free to go to anywhere at any tim...
【单选题】-How was it _____ little John had done resulted in so much improvement? -Through his great skills obtained by years of hard work and practice.
A.
that whether
B.
whether that
C.
that what
D.
what that
【简答题】The translation of an mRNA begins with the codon _______, for which a special charged tRNA is required. This initiator tRNA always carries the amino acid methionine (or a modified form of methionine, ...
【单选题】All eukaryotic cells have five major classes of histones, differing in molecular weight and amino acid composition. They are:
A.
H1, H2, H3, H4 and H5
B.
H1A, H1B, H3, H4, and H5
C.
H1 , H2A, H2B, H3, and H4
D.
H1 , H2, H3A, H3B, and H4
【判断题】John Deere established a reputation for building dependable farm tractors. When the company began to build small yard tractors, it insisted on using the same logo on its small mowers as on its large t...
A.
正确
B.
错误
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