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【单选题】
当单片机应用系统需要扩展外部存储器或其他接口芯片时, 可作为高8位地址总线使用A.
P0口
B.
P1口
C.
P2口
D.
P0口和P2口
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举一反三
【单选题】On which of these bonds is the prospect of default least likely
A.
a junk bond
B.
a bond issued by the state of Arizona
C.
a bond issued by the federal government
D.
a bond issued by General Electric Corporation
【简答题】信息进入工作记忆就会持久保存 信息进入工作记忆就会持久保存
【单选题】Which of these is NOT an attraction of the tour?
A.
A ride on an elephant's back.
B.
Seeing unique animals.
C.
An overnight stay.
D.
Taking pictures in the park.
【简答题】考虑变压器漏感的影响时,换相过程不能瞬间完成。换相过程持续的时间用电角度 表示,该角度称为 :
【简答题】海关特殊监管区域和保税监管场所之间进出的黄金及其产品，应办理黄金及其制品进出口准许证，并由海关实施监管。
【单选题】Which of these is a statement of opinion?
A.
Martin Luther King became a Baptist minister and a doctor of theology.
B.
Martin Luther King is the most important figure in American history.
C.
Martin Luther King was born on January 15, 1929, in Atlanta, Georgia.
D.
Martin Luther King helped organize a strike by garbage workers in Memphis.
【单选题】Which of these is available as an upgraded option on the new car models?
A.
undercarriage
B.
hubcaps
C.
blinker
D.
grill
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