The relation between the two paragraphs is that in the 2nd paragraph the author

[A] challenges the viewpoint in the lst paragraph.

[B] modifies his view expressed in the lst paragraph.

[C] provides the reason for the argument in the lst paragraph.

[D] further analyzes the issue discussed in the lst paragraph.

[单选题]（）is software about the relation between the customer and the supplier in marketing.A . B . CustomerRelationshipManagement（CRM）；C . D . CustomerService；；E . F . Salesplanning；；G . H . Distributionchannel

[单选题] The connection between two networks to form. an internet is handled by a machine known as a （71） .（71）A．bridgeB．clientC．routerD．switch

[单选题]What is the relationship between the two speakers?A． CoupleB． FriendsC． Classmates

[单选题]The connection between two networks to form. an internet is handled by a machine known as a ______．A．bridgeB．clientC．routerD．switch

[单选题]The operation between two fuel injections is called a （）.A . turning cycleB . working cycleC . working hourD . working stroke

[单选题]The connection between two networks from an intemet is handled by a machine known as a（）A . bridgeB . serverC . routerD . switch

[单选题]Which of the following best describes the relation between night and knight

[单选题]The sense relation between“John plays the piano”and“John plays a musical in

[单选题]The sense relation between“John plays the piano”and“John plays a musical in

[单选题]What is the crank angle between any two crank throws in the firing order of a four-stroke/cycle, in line, eight cylinder diesel engine?（）A . 45B . 60C . 90D . 100