【单选题】During the early American colonial years, corn was more plentiful than wheat, so corn bread was more common than wheat bread. Friendly Indians showed colonists how to grow corn and how to prepare it f...
A.
They were shown how by the Indians.
B.
They changed their wheat recipes.
C.
They knew the techniques before they arrived in America.
D.
They tried to make more nutritious bread.
【判断题】zinc can boost the immume system in the body
【判断题】zinc can boost the immume system in the body
【单选题】Zinc can help reproduce many new brain cells.
【单选题】下列业务中,填制转账凭证的业务是 ( )
【单选题】Penny lovers and zinc-industry lobbyists oppose that______.
A.
customers can not bargain any more
B.
merchants would round the prices down
C.
coin's disappearance would cost consumers
D.
coin's demise would cost shopkeepers a lot
【判断题】zinc can boost the immume system in the body
【单选题】根据《医疗机构制剂配制质量管理规范》,对医疗机构配制的制剂质量负责的是