【单选题】_________ helps the customer before and after a sale by providing information, giving advice, providing credit facilities, delivering goods and providing after-sales support.
B.
Research and development
【单选题】________ is an after-sale support provided to customers.
【单选题】The yellow shorts ______ 15 yuan. [ ]
【单选题】Galileo started to publicly support Copernicus's theory ______.
B.
after he found the evidence to support the idea
C.
after the church declared Copernicanism 'false and erroneous'
D.
when it was first published
【单选题】Where will the money from the sale be used?
A.
To support a children' s organization
B.
To start a new business
C.
To help musical artists
D.
To buy musical equipment
【单选题】After Christmas, ______clothing on sale in that shop attracted quite a few housewives.