皮皮学,免费搜题
登录
搜题
【单选题】
如果电流、电压的数值符号为正,则表示其 实际 方向与 参考 方向( ) ;若数值符号为负,表示电流、电压的实际方向与其参考方向( ) 。
A.
相反,相同
B.
相同,相反
C.
相同,相同
D.
相反,相反
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Thirty years ago the Today program was unpredictable to the point of chaos with presenter Jack da Manio improvising and thinking aloud, always eager for a joke or a prank. Through the studio trooped a...
A.
serious program'
B.
humorous program
C.
religious program
D.
political program
【单选题】More than two hundred years ago the United States _______ from the British Empire and became an independent country.
A.
broke down
B.
broke out
C.
broke away
D.
broke off
【单选题】40 years ago the idea of disabled people doing sport was never heard of. But when the annual games for the disabled were started at Stoke Mandeville, England in 1948 by Sir Ludwig Gutt-mann, the situa...
A.
9 years
B.
10 years
C.
21 years
D.
40 years
【单选题】Five years ago the population of the village was 2000.Now it’s 1500,which means that it’s decreased 25%. [     ]
A.
to
B.
from
C.
by
D.
for
【单选题】Correspondent banking faces a problem of definition. Five years ago the business was preoccupied with electronic funds transfer. The spread of Swift's messaging network and the developing of the equal...
A.
Technology threatens correspondent banking.
B.
Correspondent banking remains traditional.
C.
Correspondent banking- technology demonstrates its worth.
【单选题】Which of the following statements is NOT true?
A.
Even a few years ago the girls would leave work at once when they married.
B.
Today the school-leaving age is sixteen.
C.
Today more married women leave work long before their first child is born.
D.
Very many more women today return to full or part-time work after their first child is born.
【单选题】听力原文: The story of silk is a fascinating one. About 4,000 years ago the Chinese discovered the secret of the cocoon. No one knows exactly how or when this was made. One story says that a young princes...
A.
The silk covering made by an insect.
B.
The silk covering made by a silkworm.
C.
The soft protective covering made by an animal.
D.
The hard protective covering made by an animal.
【单选题】More than two hundred years ago the United States ______ from the British Empire and became an independent country.
A.
got off
B.
pulled down
C.
broke away
D.
dropped off
【单选题】下列哪项不属于病史采集的内容: A、主诉 B、现病史 C、既往史 D、个人史 E、病程记录
A.
主诉
B.
现病史
C.
既往史
D.
个人史
E.
病程记录
【简答题】40 years ago the idea of disabled people doing sport was never heard of. But when the yearly s for the disabled were started at Stoke Mandeville, England in 1948 by Sir Ludwig Guttmann, the situat...
相关题目: