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搜题
【单选题】
下列关于电容滤波电路的叙述中,对的是A.
电路的滤波，利用了电容器的 “通直隔交”特性；
B.
电路的滤波，利用了电容器的 “隔直通交”特性；
C.
电容器充电时，输出电压下降；
D.
电容量C越大，滤波效果越差。
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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】测验中分数在80到100之间的候选人需要面试,合适的查询语句是
A.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore>=80 AND siTestScore<=100< /div>
B.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore>80 AND siTestScore<100< /div>
C.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore<=80 and sitestscore>=100
D.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore<80 and sitestscore>100
【简答题】试述创新扩散过程。影响创新扩散速度的因素有哪些？企业如何利用这些因素制定市场营销策略？
【单选题】测验中分数在80到100之间的候选人需要面试,合适的查询语句是
A.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore>=80 AND siTestScore<=100< /div>
B.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore>80 AND siTestScore<100< /div>
C.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore<=80 AND siTestScore>=100
D.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore<80 AND siTestScore>100
【单选题】测验中分数在80到100之间的候选人需要面试,合适的查询语句是
A.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore>=80 AND siTestScore<=100< span="">
B.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore>80 AND siTestScore<100< span="">
C.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore<=80 and="" sitestscore="">=100
D.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore<80 and="" sitestscore="">100
相关题目：
【单选题】测验中分数在80到100之间的候选人需要面试,合适的查询语句是
A.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore>=80 AND siTestScore<=100< /div>
B.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore>80 AND siTestScore<100< /div>
C.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore<=80 and sitestscore>=100
D.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore<80 and sitestscore>100
【单选题】测验中分数在80到100之间的候选人需要面试,合适的查询语句是
A.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore>=80 AND siTestScore<=100< /div>
B.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore>80 AND siTestScore<100< /div>
C.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore<=80 AND siTestScore>=100
D.
SELECT vFirstName,vLastName,siTestScore FROM ExternalCandidate WHERE siTestScore<80 AND siTestScore>100