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在 BOOST 升压电路中,电感 L 、电容 C 与二极管的作用是什么?
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参考答案：
举一反三
【单选题】Which of the following is NOT the effect of the Crusade?
A.
They weakened the feudalism, and andincreased the power of papacy and also caused its decline
B.
They opened the door ti the East for Europeans and promoted the development of economy in Europe.
C.
They also liberlized the minds of the Arabs, helping them to be exposed to more knowledge that they had never known since the Western civilization at that time was more advanced.
D.
The discovery of the Americas was the epoch-making event in history as the direct result of the Crusades.
查看完整题目与答案
【单选题】Richard I took part in the ( ) crusade.
A.
second
B.
third
C.
fifth
D.
ninth
查看完整题目与答案
【多选题】(二)某化妆品公司2006年8月发生下列业务： (1)销售一批化妆品，不含增值税价款100万元，贷款已收到，提货单已交给购货方，同时收取包装费2340元，包装物押金23400元，购销双方约定，两个月期满归还包装物并退还押金。 (2)销售由护肤护发品和化妆品组成的成套化妆品取得不含增值税价款30万元，其中护肤护发品价款10万元，化妆品价款20万元。 (3)委托某日用品化工厂加工某种化妆品，收回后以其...
A.
销售用委托加工收回的化妆品连续生产的护肤护发品
B.
直接销售委托加工收回的化妆品
C.
职工搞福利发放的化妆品
D.
送给关系单位的护肤品、护发品、化妆品
查看完整题目与答案
【单选题】According to the news item, Monsoon rains in India this year have been______below long-term averages.
A.
50 percent
B.
25 percent
C.
20 percent
D.
10 percent
查看完整题目与答案
【单选题】The object of the First Crusade was to _____ .
A.
defend the Holy Land from the Turks
B.
form new states in the Middle East
C.
defeat the Jews and the Muslims
D.
all of the above
查看完整题目与答案
【简答题】属于第三级预防的是
查看完整题目与答案
【单选题】下列唱词中对划线词语解释错误的是:
A.
炷尽 沉烟，抛残绣线：      烧尽
B.
恰 三春好处 无人见：   比喻人的青春美貌
C.
迤逗的 彩云 偏 ：    美丽的发髻的代称
D.
锦屏人 忒看的这韶光贱：刺绣屏风上的人
查看完整题目与答案
【判断题】The Third Crusade, also known as the Byzantine Crusade, was originally designed to conquer Muslim Jerusalem through as invasion of Egypt.
A.
正确
B.
错误
查看完整题目与答案
【单选题】关系的完整性有三类,其中保证元组唯一性的是
A.
实体完整性
B.
参照完整性
C.
用户定义完整性
D.
系统完整性
查看完整题目与答案
【单选题】What is the purpose of the crusade in Europe?
A.
To prove oneself to be a hero
B.
To reclaim the holy city of Jerusalem
C.
To get money
查看完整题目与答案
相关题目：
【单选题】Which of the following is NOT the effect of the Crusade?
A.
They weakened the feudalism, and andincreased the power of papacy and also caused its decline
B.
They opened the door ti the East for Europeans and promoted the development of economy in Europe.
C.
They also liberlized the minds of the Arabs, helping them to be exposed to more knowledge that they had never known since the Western civilization at that time was more advanced.
D.
The discovery of the Americas was the epoch-making event in history as the direct result of the Crusades.
查看完整题目与答案
【单选题】Richard I took part in the ( ) crusade.
A.
second
B.
third
C.
fifth
D.
ninth
查看完整题目与答案
【多选题】(二)某化妆品公司2006年8月发生下列业务： (1)销售一批化妆品，不含增值税价款100万元，贷款已收到，提货单已交给购货方，同时收取包装费2340元，包装物押金23400元，购销双方约定，两个月期满归还包装物并退还押金。 (2)销售由护肤护发品和化妆品组成的成套化妆品取得不含增值税价款30万元，其中护肤护发品价款10万元，化妆品价款20万元。 (3)委托某日用品化工厂加工某种化妆品，收回后以其...
A.
销售用委托加工收回的化妆品连续生产的护肤护发品
B.
直接销售委托加工收回的化妆品
C.
职工搞福利发放的化妆品
D.
送给关系单位的护肤品、护发品、化妆品
查看完整题目与答案
【单选题】According to the news item, Monsoon rains in India this year have been______below long-term averages.
A.
50 percent
B.
25 percent
C.
20 percent
D.
10 percent
查看完整题目与答案
【单选题】The object of the First Crusade was to _____ .
A.
defend the Holy Land from the Turks
B.
form new states in the Middle East
C.
defeat the Jews and the Muslims
D.
all of the above
查看完整题目与答案
【简答题】属于第三级预防的是
查看完整题目与答案
【单选题】下列唱词中对划线词语解释错误的是:
A.
炷尽 沉烟，抛残绣线：      烧尽
B.
恰 三春好处 无人见：   比喻人的青春美貌
C.
迤逗的 彩云 偏 ：    美丽的发髻的代称
D.
锦屏人 忒看的这韶光贱：刺绣屏风上的人
查看完整题目与答案
【判断题】The Third Crusade, also known as the Byzantine Crusade, was originally designed to conquer Muslim Jerusalem through as invasion of Egypt.
A.
正确
B.
错误
查看完整题目与答案
【单选题】关系的完整性有三类,其中保证元组唯一性的是
A.
实体完整性
B.
参照完整性
C.
用户定义完整性
D.
系统完整性
查看完整题目与答案
【单选题】What is the purpose of the crusade in Europe?
A.
To prove oneself to be a hero
B.
To reclaim the holy city of Jerusalem
C.
To get money
查看完整题目与答案
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