E．lectronic commerce may be defined as the entire set of processes that support ______ activities on anetwork and involve information analysis．

A．post

B．exchange

C．transfers

D．commercial

[单选题]We may safely conclude that ______.A．) the author belongs to the anti-railway groupB．) the author belongs to the pro-railway groupC．) the author speaks highly of the railwayD．) the author may never take train because of its potential dangers

[单选题]F．rom the passage we may conclude that the writer isA．one of the organizers of the games for the disabled.B．a disabled who once took part in the games.C．against holding the games for the disabled.D．in favor of holding the game for the disabled.

[单选题]Income may be national income and personal income. Whereas national income

[单选题]Income may be national income and personal income. Whereas national income

[单选题]Income may be national income and personal income. Whereas national income

[单选题]Income may be national income and personal income. Whereas national income

[单选题]Income may be national income and personal income. Whereas national income

[主观题]50) They may teach very well and more than earn their salaries, but most of them make little or no independent reflections on human problems which involve moral judgment.

[单选题]The（ ）may examine or re-examine the goods or takesamples from them straight

[单选题]（）is the Internet commerce designed for direct communications and commercial relationship between a firmand its end customer.A .B2CB .B2BC .B2AD . D.A2B