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【多选题】
电力系统中的扰动可分为小扰动和大扰动两类。小扰动是指由于（）等引起的扰动。A.
负荷正常波动
B.
功率及潮流控制
C.
变压器分接头调整
D.
联络线功率自然波动
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反馈参考答案：
举一反三
【简答题】大气压随高度的增加而 ______，还与季节和天气有关．
【简答题】There was a young man named Bill in England. Before leaving school, he began to look for a job. Few companies needed new clerks due to the financial cr（金融危机）at that time. It became harder and hard...
【简答题】根据短文内容判断正（T）误（F）。 There was a young man named Bill in England. Before leaving school, he began to look for a job. Few companies needed new clerks due to the financial cr (金融危机) at that time. It be...
【单选题】Where goods are shipped under a bill of lading and the Charterer of the vessel is named as consignee，the Charterer，if he indorses the bill of lading to a third party，has no claim for substantial damag...
A.
prospective
B.
preliminary
C.
proprietory
D.
temporary
【单选题】The master ______ in delivering the goods to the consignee named in the bill of lading on production thereof，or to the first person who presents a properly indorsed bill of lading．
A.
justifies
B.
justified
C.
is justifying
D.
is justified
【单选题】The man named Bill looked at the picture of Tom and was ________.
A.
Unhappy
B.
surprised
C.
tired
D.
crying harder and harder
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