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【单选题】
当PN结的P区接电源的正极,N区接电源的负极时,PN结(  )
A.
正偏导通
B.
反偏截止
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【单选题】糖尿病患者营养治疗最根本的原则是
A.
食物多样化
B.
合理控制热能摄入
C.
控制碳水化合物摄入
D.
控制脂肪和胆固醇摄入
E.
选用优质蛋白质
【单选题】下列不属于调车时使用的调速工具的是()。
A.
车辆减速器
B.
道岔
C.
减速顶
D.
铁鞋
【简答题】What does the author say about excessive Internet use? A) It has become virtually inevitable. B) It has been somewhat exaggerated. C) People haven't yet reached agreement on its definition. D) People ...
【单选题】糖尿病患者营养治疗最根本的原则是
A.
食物多样化
B.
合理控制能量摄入
C.
控制碳水化合物摄入
D.
控制脂肪和胆固醇摄入
E.
选用优质蛋白
【单选题】Success that comes easily makes people more to failure when real challenges arise.
A.
inevitable
B.
earnest
C.
timid
D.
prone
【单选题】Students usually _____ make the same mistake.
A.
inevitable
B.
extremely
C.
negatively
D.
inevitably
【简答题】A series of border incidents would ________ lead the two countries to war. A) inevitably B) consistently C) uniformly D) persistently
【简答题】The passage is probably intended to answer the question “________”. A) Is war inevitable? B) Why is there conflict and competition? C) Is conflict desirable? D) Can competition lead to conflict?
【单选题】以下四组单词中,划线部分发音是不一致的是
A.
inevit a bly     act or
B.
camp u s     h ur dle
C.
gidd y an y more
D.
proc e ss    b e d
【简答题】I Chinese To English Translate the following underlined part of the text into English 来美国求学的中国学生与其他亚裔学生一样,大多非常刻苦勤奋,周末也往往会抽出一天甚至两天的时间去实验室加班,因而比起美国学生来,成果出得较多。我的导师也是亚裔人,嗜烟好酒,脾气暴躁。但他十分欣赏亚裔学生勤奋与扎实的基础知识,也特别...
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