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【多选题】
晶闸管可能导通的情况有()A.
正常情况下，承受正向电压，并且有触发电流
B.
晶闸管被正向电压过击穿
C.
晶闸管承受反向电压过击穿
D.
电压上升率du/dt大于断态电压临界上升率
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举一反三
【单选题】Which one is not ethnocentric attitude?
A.
Lifestyles in other cultures are not as valid as those in my culture.
B.
I have little respect for the values and customs of other cultures.
C.
My culture should be the role model for other cultures.
D.
People of other cultures are different from me.
【简答题】Which one is for Question 2?
【单选题】Which one of the followings is NOT correct about Battle of Gettysburg?
A.
Considered one of the bloodiest battles in Civil War history.
B.
Battle was had near the town Gettysburg, Pennsylvania.
C.
Largest casualties on both sides of the entire war.
D.
Small losses for the Confederacy force.
【简答题】世界上第一部正式城市规划法是 由 于年颁布的 。
【简答题】三通一平费用,属于哪项建设投资?(填具体的名称)
【单选题】Which of the following is NOT one of the steps to assessing the magnitude of pollution damage?
A.
Waiting for the affected parties to report their personal roles in the pollution damage
B.
Estimating the physical relationship between the pollutant emission and the damage caused to the affected categories
C.
Placing a monetary value on the physical damages
D.
Estimating responses by the affected parties toward averting or mitigating some portion of the damage
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