【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
【判断题】循环语句中continue代表停止执行当前的循环,提前跳到下一次循环。
【单选题】The yellow shorts ______ 15 yuan. [ ]
【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】一般而言,药物要经过( )个半衰期才能稳定地发挥药效
【单选题】After Christmas, ______clothing on sale in that shop attracted quite a few housewives.